Geometry



Popular Tutorials in Geometry

    • How Do You Find Missing Measurements of Similar Figures Using a Proportion?How Do You Find Missing Measurements of Similar Figures Using a Proportion?

    How Do You Find Missing Measurements of Similar Figures Using a Proportion?

    Trying to find a missing measurement on similar figures? Make ratios from corresponding sides and set up a proportion! Solve the proportion to get your missing measurement. Figure out how to do all that by watching this tutorial!

    • What are Similar Figures?What are Similar Figures?

    What are Similar Figures?

    Looking at two figures that are the same shape and have the same angle measurements? You have similar figures! Learn all about it in this tutorial!

    • What are Corresponding Parts in Similar Figures?What are Corresponding Parts in Similar Figures?

    What are Corresponding Parts in Similar Figures?

    Identifying corresponding parts in similar figures isn't so bad, but you have to know what you're looking for. This tutorial does a great job of explaining the corresponding parts of similar figures! Take a look!

    • How Do You Find the Midpoint Between Two Coordinates?How Do You Find the Midpoint Between Two Coordinates?

    How Do You Find the Midpoint Between Two Coordinates?

    The midpoint of a line segment is the point midway between the endpoints of the line segment. This tutorial shows you how to take two endpoints and figure out the midpoint of the line segment. Check it out!

    • How Do You Put an Equation in Standard Form Into Slope-Intercept or Point-Slope Form?How Do You Put an Equation in Standard Form Into Slope-Intercept or Point-Slope Form?

    How Do You Put an Equation in Standard Form Into Slope-Intercept or Point-Slope Form?

    Looking for some practice converting the equation of a line into different forms? Then this tutorial was made for you! Follow along as this tutorial shows you how to take a linear equation from standard form and convert it into slope-intercept form and point-slope form.

    • How Do You Find the Slope of a Line from Two Points?How Do You Find the Slope of a Line from Two Points?

    How Do You Find the Slope of a Line from Two Points?

    Calculating the slope of a line from two given points? Use the slope formula! This tutorial will show you how!

    • How Do You Write an Equation for a Vertical Line?How Do You Write an Equation for a Vertical Line?

    How Do You Write an Equation for a Vertical Line?

    Trying to find the equation of a vertical line that goes through a given point? Remember that vertical lines only have an 'x' value and no 'y' value. Follow along with this tutorial as you see how use the information given to write the equation of a vertical line.

    • How Do You Write an Equation for a Horizontal Line?How Do You Write an Equation for a Horizontal Line?

    How Do You Write an Equation for a Horizontal Line?

    Trying to find the equation of a horizontal line that goes through a given point? Remember that vertical lines only have a 'y' value and no 'x' value. Follow along with this tutorial as you see how use the information given to write the equation of a horizontal line.

    • How Do You Find the Slope of a Line If You Have a Perpendicular Line?How Do You Find the Slope of a Line If You Have a Perpendicular Line?

    How Do You Find the Slope of a Line If You Have a Perpendicular Line?

    Perpendicular lines have slopes that are opposite reciprocals of each other. To find the slope of a line that is perpendicular to a given equation, find the opposite reciprocal of that slope. Check out this tutorial to learn how!

    • How Do You Graph a Line If You're Given the Slope and the Intercept?How Do You Graph a Line If You're Given the Slope and the Intercept?

    How Do You Graph a Line If You're Given the Slope and the Intercept?

    Trying to graph a line from a given slope and y-intercept? Think you need to find an equation first? Think again! In this tutorial, see how to use that given slope and y-intercept to graph the line.

    • What's the Formula for Slope?What's the Formula for Slope?

    What's the Formula for Slope?

    When you're dealing with linear equations, you may be asked to find the slope of a line. That's when knowing the slope formula really comes in handy! Learn the formula to find the slope of a line by watching this tutorial.

    • How Do You Know if Two Lines are Parallel?How Do You Know if Two Lines are Parallel?

    How Do You Know if Two Lines are Parallel?

    Parallel lines are lines that will go on and on forever without ever intersecting. This is because they have the same slope! If you have two linear equations that have the same slope but different y-intercepts, then those lines are parallel to one another!

    • How Do You Know if Two Lines Are Perpendicular?How Do You Know if Two Lines Are Perpendicular?

    How Do You Know if Two Lines Are Perpendicular?

    Perpendicular lines intersect at right angles to one another. To figure out if two equations are perpendicular, take a look at their slopes. The slopes of perpendicular lines are opposite reciprocals of each other. Their product is -1! Watch this tutorial and see how to determine if two equations are perpendicular.

    • What's the Midpoint Formula?What's the Midpoint Formula?

    What's the Midpoint Formula?

    Want to find the point midway between two locations? Then you're looking for the midpoint! The midpoint of a line segment is the point located midway between the endpoints of the line segment. This tutorial tells you about the midpoint of a line segment. Take a look!

    • What Does the Slope of a Line Mean?What Does the Slope of a Line Mean?

    What Does the Slope of a Line Mean?

    You can't learn about linear equations without learning about slope. The slope of a line is the steepness of the line. There are many ways to think about slope. Slope is the rise over the run, the change in 'y' over the change in 'x', or the gradient of a line. Check out this tutorial to learn about slope!

    • What Does Negative Slope Mean?What Does Negative Slope Mean?

    What Does Negative Slope Mean?

    What does a negative slope mean? What does the graph of a negative slope look like? Find the answers to these questions by watching this tutorial!

    • What Are Vertical Lines?What Are Vertical Lines?

    What Are Vertical Lines?

    You may be able to guess that vertical lines are lines that go straight up and down, but did you know that all vertical lines have the same slope? In this tutorial, learn all about vertical lines including their slope and what the equation of a vertical line looks like!

    • What Are Horizontal Lines?What Are Horizontal Lines?

    What Are Horizontal Lines?

    Ever look at the horizon when the sun is rising or setting? Know why it's called the horizon? It's a horizontal line! And just like the horizon, horizontal lines go straight left and right. In this tutorial, you'll learn all about horizontal lines including their slope and what the equation of a horizontal line looks like.

    • What Does Positive Slope Mean?What Does Positive Slope Mean?

    What Does Positive Slope Mean?

    What does a positive slope mean? What does the graph of a positive slope look like? Find the answers to these questions by watching this tutorial!

    • What Does 0 Slope Mean?What Does 0 Slope Mean?

    What Does 0 Slope Mean?

    A zero slope is just the slope of a horizontal line! The y-coordinate never changes no matter what the x-coordinate is! In this tutorial, learn about the meaning of zero slope.

    • What Does Undefined Slope Mean?What Does Undefined Slope Mean?

    What Does Undefined Slope Mean?

    An undefined slope (or an infinitely large slope) is the slope of a vertical line! The x-coordinate never changes no matter what the y-coordinate is! There is no run! In this tutorial, learn about the meaning of undefined slope.

    • What's Slope-Intercept Form of a Linear Equation?What's Slope-Intercept Form of a Linear Equation?

    What's Slope-Intercept Form of a Linear Equation?

    When you're learning about linear equations, you're bound to run into the point-slope form of a line. This form is quite useful in creating an equation of a line if you're given the slope and a point on the line. Watch this tutorial, and learn about the point-slope form of a line!

    • How Do You Find the Distance Between Two Points?How Do You Find the Distance Between Two Points?

    How Do You Find the Distance Between Two Points?

    Trying to find the distance between two points? Use the distance formula! Want to see how it's done? Check out this tutorial!

    • How Do You Find the Length of a Leg of a Right Triangle?How Do You Find the Length of a Leg of a Right Triangle?

    How Do You Find the Length of a Leg of a Right Triangle?

    Finding the missing length of a side of a right triangle? If you have the other two side lengths, you can use the Pythagorean theorem to solve! Check out this tutorial and see how to use this really helpful theorem to find that missing side measurement!

    • How Do You Determine if a Triangle Is a Right Triangle if You Know its Sides?How Do You Determine if a Triangle Is a Right Triangle if You Know its Sides?

    How Do You Determine if a Triangle Is a Right Triangle if You Know its Sides?

    Think your triangle is a right triangle? Want to be sure? If you have the length of each side, apply the Pythagorean theorem to the triangle. If you get a true statement when you simplify, then you do indeed have a right triangle! If you get a false statement, then you can be sure that your triangle is not a right triangle. Check out this tutorial and learn how use the Pythagorean theorem to see if a triangle is a right triangle!

    • What are the Legs and Hypotenuse of a Right Triangle?What are the Legs and Hypotenuse of a Right Triangle?

    What are the Legs and Hypotenuse of a Right Triangle?

    Looking for some terminology used with right triangles? Then this tutorial was made for you! In this tutorial, you'll be introduced to the names for the different parts of a right triangle. Check it out!

    • What Is the Distance Formula?What Is the Distance Formula?

    What Is the Distance Formula?

    If you need to find the distance between to points on the coordinate, you'll probably use the distance formula to get your answer. This tutorial introduces you to the distance formula and even shows you how to find it!

    • What is the Pythagorean Theorem?What is the Pythagorean Theorem?

    What is the Pythagorean Theorem?

    The Pythagorean theorem is a very popular theorem that shows a special relationship between the sides of a right triangle. In this tutorial, you'll get introduced to the Pythagorean theorem and see how it's used to solve for a missing length on a right triangle!

    • What's the Formula for the Perimeter of a Rectangle?What's the Formula for the Perimeter of a Rectangle?

    What's the Formula for the Perimeter of a Rectangle?

    What is the formula for the perimeter of a rectangle? This tutorial shows you how to find that formula!

    • How Do You Find the Perimeter of a Shape?How Do You Find the Perimeter of a Shape?

    How Do You Find the Perimeter of a Shape?

    Ever had someone come up to you on the street, hand you a shape, and ask you to find the perimeter of that shape? Watch this tutorial, and next time that happens you'll be ready!

    • How Do You Plot Points in the Coordinate Plane?How Do You Plot Points in the Coordinate Plane?

    How Do You Plot Points in the Coordinate Plane?

    Knowing how to plot ordered pairs is an essential part of graphing functions. In this tutorial, you'll see how to take an ordered pair and plot it on the coordinate plane. Take a look!

    • What is an Ordered Pair?What is an Ordered Pair?

    What is an Ordered Pair?

    Ordered pairs are a fundamental part of graphing. Ordered pairs make up functions on a graph, and very often, you need to plot ordered pairs in order to see what the graph of a function looks like. This tutorial will introduce you to ordered pairs!

    • What is the Origin?What is the Origin?

    What is the Origin?

    The coordinate plane has two axes: the horizontal and vertical axes. These two axes intersect one another at a point called the origin. Learn about the ordered pair that indicates the origin and its location in the coordinate plane by watching this tutorial!

    • What is the Coordinate Plane?What is the Coordinate Plane?

    What is the Coordinate Plane?

    You can't graph a function or plot ordered pairs without a coordinate plane! Learn about the coordinate plane by watching this tutorial.

    • What are Quadrants in the Coordinate Plane?What are Quadrants in the Coordinate Plane?

    What are Quadrants in the Coordinate Plane?

    Did you know that there are four quadrants that help make up the coordinate plane? Learn about these quadrants, and what ordered pairs are located in each, by watching this tutorial!

    • Why Is It Called an Ordered Pair?Why Is It Called an Ordered Pair?

    Why Is It Called an Ordered Pair?

    Why is an ordered pair called an ordered pair? Because order is important! If an ordered pair is written in a different order, it makes a different ordered pair. This tutorial shows you why order is important when you're dealing with ordered pairs.

    • What is the X-Coordinate?What is the X-Coordinate?

    What is the X-Coordinate?

    Ordered pairs are a crucial part of graphing, but you need to know how to identify the coordinates in an ordered pair if you're going to plot it on a coordinate plane. In this tutorial, you'll see how to identify the x-coordinate in an ordered pair!

    • What is the Y-Coordinate?What is the Y-Coordinate?

    What is the Y-Coordinate?

    Ordered pairs are a crucial part of graphing, but you need to know how to identify the coordinates in an ordered pair if you're going to plot it on a coordinate plane. In this tutorial, you'll see how to identify the y-coordinate in an ordered pair!

    • What is the X-Axis?What is the X-Axis?

    What is the X-Axis?

    To graph a function or plot an ordered pair, you need to use a coordinate plane, so you should learn all about it! In this tutorial, you'll learn about the x-axis and see where it's located in the coordinate plane.

    • What is the Y-Axis?What is the Y-Axis?

    What is the Y-Axis?

    To graph a function or plot an ordered pair, you need to use a coordinate plane, so you should learn all about it! In this tutorial, you'll learn about the y-axis and see where it's located in the coordinate plane.

    • What are the Coordinate Axes?What are the Coordinate Axes?

    What are the Coordinate Axes?

    The coordinate plane has two axes: the horizontal and vertical axes. Learn about these axes and the name for their point of intersection by watching this tutorial!

    • How Do You Translate a Function?How Do You Translate a Function?

    How Do You Translate a Function?

    Think about sliding a penny on a table. All you're doing is moving the penny to a new location on the table. That's basically all that's happening when you translate a function! When you translate a function, you're just sliding it to a new location on the coordinate plane!

    • How Do You Reflect a Function?How Do You Reflect a Function?

    How Do You Reflect a Function?

    When you look in the mirror, you see a reflection of yourself. Reflections in math involve flipping something over a line called the line of reflection. This tutorial shows you how to reflect a function over a chosen line!

    • How Do You Identify Points on a Graph?How Do You Identify Points on a Graph?

    How Do You Identify Points on a Graph?

    Plotting points on the coordinate plane is the foundation of graphing equations! But before you can graph equations, you should be very familiar with the coordinate plane. In this tutorial, you'll see how to identify the ordered pair of a point on the coordinate plane. Plus, see how to figure out which quadrant the point is in!

    • How Do You Graph Ordered Pairs in Each Quadrant?How Do You Graph Ordered Pairs in Each Quadrant?

    How Do You Graph Ordered Pairs in Each Quadrant?

    Plotting points on the coordinate plane is the foundation for graphing equations! Check out this tutorial to get some practice plotting points and identifying which quadrant each point is in.

    • How Do You Write the Equation of a Line in Slope-Intercept Form If You Have a Graph?How Do You Write the Equation of a Line in Slope-Intercept Form If You Have a Graph?

    How Do You Write the Equation of a Line in Slope-Intercept Form If You Have a Graph?

    Working with the graph of a line? Trying to find the equation for that graph? Just pick two points on the line and use them to find the equation. This tutorial shows you how to take two points on the graph of a line and use them to find the slope-intercept form of the line!

    • How Do You Find the Slope of a Line If You Have a Parallel Line?How Do You Find the Slope of a Line If You Have a Parallel Line?

    How Do You Find the Slope of a Line If You Have a Parallel Line?

    Looking at a graph of parallel lines? Got the equation of one of the lines? Want to find the slope of the other line? No problem! Just remember that parallel lines have the same slope! Use the given equation to find the slope of the first line and since the lines are parallel, that's the slope of the second line! To see an example, check out this tutorial.

    • How Do You Use Supplementary Angles to Find a Missing Angle?How Do You Use Supplementary Angles to Find a Missing Angle?

    How Do You Use Supplementary Angles to Find a Missing Angle?

    If angles combine to form a straight angle, then those angles are called supplementary. In this tutorial, you'll see how to use your knowledge of supplementary angles to set up an equation and solve for a missing angle measurement. Take a look!

    • How Do You Find the Measures of Exterior Angles of a Polygon if You Know the Interior Angles?How Do You Find the Measures of Exterior Angles of a Polygon if You Know the Interior Angles?

    How Do You Find the Measures of Exterior Angles of a Polygon if You Know the Interior Angles?

    Trying to figure out the measurements of the exterior angles of a polygon? Got the interior angle measurements? If so, then you can set up equations using those interior angles and solve to find you exterior angles. This tutorial shows you how!

    • How Do You Find a Missing Angle in a Triangle?How Do You Find a Missing Angle in a Triangle?

    How Do You Find a Missing Angle in a Triangle?

    Trying to find a missing interior angle measurement in a triangle? Already know the other two interior angle measurements? Then you're set! Just remember that the interior angles of a triangle ALWAYS add up to 180 degrees. This tutorial shows you how to put this knowledge into an equation and solve to find that missing measurement!

    • How Do You Find Missing Angles in an Isosceles Triangle?How Do You Find Missing Angles in an Isosceles Triangle?

    How Do You Find Missing Angles in an Isosceles Triangle?

    Trying to find a missing interior angle measurement in a triangle? See if you're working with a special type of triangle such as an equilateral or isosceles triangle. If you are, that knowledge can help you. In this tutorial, see how identifying your triangle first can be very helpful in solving for that missing measurement. Take a look!

    • How Do You Find Missing Angles in a Triangle With Variables?How Do You Find Missing Angles in a Triangle With Variables?

    How Do You Find Missing Angles in a Triangle With Variables?

    Looking for the measurements of the interior angles of a given triangle? The Triangle Sum theorem might help. This theorem states that the interior angles of a triangle ALWAYS add up to 180 degrees! This tutorial shows you how to use that information to find those interior angle measurements.

    • How Do You Find Missing Angles in an Isosceles Triangle Using Right Triangles?How Do You Find Missing Angles in an Isosceles Triangle Using Right Triangles?

    How Do You Find Missing Angles in an Isosceles Triangle Using Right Triangles?

    Trying to find a missing interior angle measurement in a triangle? See if you're working with a special type of triangle such as an equilateral or isosceles triangle. If you are, that knowledge can help you. In this tutorial, see how identifying your triangle first can be very helpful in solving for that missing measurement. Take a look!

    • How Do You Find a Missing Angle in a Right Triangle?How Do You Find a Missing Angle in a Right Triangle?

    How Do You Find a Missing Angle in a Right Triangle?

    Trying to find a missing interior angle measurement in a triangle? See if you're working with a special type of triangle such as an equilateral or isosceles triangle. If you are, that knowledge can help you. In this tutorial, see how identifying your triangle first can be very helpful in solving for that missing measurement. Take a look!

    • How Do You Find Missing Angles in a Transversal Diagram?How Do You Find Missing Angles in a Transversal Diagram?

    How Do You Find Missing Angles in a Transversal Diagram?

    Got a diagram of a transversal intersecting parallel lines? Trying to figure out all the angle measurements? Take a look at this tutorial, and you'll see how find all the missing angle measurements by identifying vertical, corresponding, adjacent, and alternate exterior angles!

    • What is a Rectangle?What is a Rectangle?

    What is a Rectangle?

    A rectangle is one of the many fundamental shapes you'll see in math. Rectangles have special properties that can be very useful in helping you solve a problem. This tutorial introduces you to rectangles and explains their interesting qualities!

    • What is a Triangle?What is a Triangle?

    What is a Triangle?

    You can't learn everything about math without dealing with triangles. Did you know that there are different types of triangles? Check out this tutorial, and learn about triangles and their different types!

    • What is a Parallelogram?What is a Parallelogram?

    What is a Parallelogram?

    A parallelogram is a special type of quadrilateral with some special properties. In this tutorial, take a look at parallelograms and learn what kinds of quadrilaterals can also be called parallelograms!

    • What is a Line Segment?What is a Line Segment?

    What is a Line Segment?

    A math term can really tell you a lot about the thing it's describing. Take the term line segment. A line segment is just part of a line! In this tutorial, learn about line segments, how to name them, and what the midpoint of a line segment is!

    • What is a Ray?What is a Ray?

    What is a Ray?

    Rays are a very useful part of math. Two rays can create an angle. Multiple angles can create a polygon. Add another dimension, and you get three-dimensional solids! This tutorial introduces you to rays and shows you how to name them.

    • What is an Angle?What is an Angle?

    What is an Angle?

    Angles are a fundamental building block for creating all sorts of shapes! In this tutorial, learn about how an angle is formed, how to name an angle, and how an angle is measured. Take a look!

    • What is a Polygon?What is a Polygon?

    What is a Polygon?

    Got a closed figure with three or more sides? Then you have a polygon! In this tutorial, you'll learn about the properties of a polygon, see the names of the most popular polygons, and learn how to identify polygons. Check it out!

    • What are Acute, Obtuse, Right, and Straight Angles?What are Acute, Obtuse, Right, and Straight Angles?

    What are Acute, Obtuse, Right, and Straight Angles?

    Did you know that there are different kinds of angles? Knowing how to identify these angles is an important part of solving many problems involving angles. Check out this tutorial and learn about the different kinds of angles!

    • What are Supplementary Angles?What are Supplementary Angles?

    What are Supplementary Angles?

    Knowing about supplementary angles can be very useful in solving for missing angle measurements. This tutorial introduces you to supplementary angles and shows you how to use them to solve for a missing angle measurement. Take a look!

    • What are Vertical Angles?What are Vertical Angles?

    What are Vertical Angles?

    Vertical angles have a very special quality. They are always congruent to one another! Check out this tutorial to learn about and see how to identify vertical angles!

    • What Does Congruent Mean?What Does Congruent Mean?

    What Does Congruent Mean?

    If two figures have the same size and shape, then they are congruent. The term congruent is often used to describe figures like this. In this tutorial, take a look at the term congruent!

    • What are Parallel Lines?What are Parallel Lines?

    What are Parallel Lines?

    Lines that are parallel have a very special quality. Without this quality, these lines are not parallel. In this tutorial, take a look at parallel lines and see how they are different from any other kind of lines!

    • What are Perpendicular Lines?What are Perpendicular Lines?

    What are Perpendicular Lines?

    Perpendicular lines have a special property. The angles formed by perpendicular lines will always be the same. Check out this tutorial to learn about perpendicular lines and see a cool trick involving these special lines!

    • What is a Transversal?What is a Transversal?

    What is a Transversal?

    Ever heard of a transversal? It's not as confusing as the term sounds. This tutorial will introduce you to transversals and show you the neat things that happen when a transversal meets two parallel lines. Take a look!

    • What are Acute, Obtuse, and Right Triangles?What are Acute, Obtuse, and Right Triangles?

    What are Acute, Obtuse, and Right Triangles?

    Did you know that there are different kinds of triangles? Knowing how to identify these triangles is an important part of solving many problems involving these triangles. Check out this tutorial and learn about some of the different kinds of triangles!

    • What is a Quadrilateral?What is a Quadrilateral?

    What is a Quadrilateral?

    The term quadrilateral is a really fancy sounding name for a certain kind of polygon. Did you know that there are special types of quadrilaterals? Watch this tutorial to learn about quadrilaterals and their special types.

    • What is a Square?What is a Square?

    What is a Square?

    A square is one of the many fundamental shapes you’ll see in math. Squares have special properties that can be very useful in helping you solve a problem. This tutorial introduces you to squares and explains their interesting qualities!

    • What are Interior and Exterior Angles of a Polygon?What are Interior and Exterior Angles of a Polygon?

    What are Interior and Exterior Angles of a Polygon?

    Sometimes a math term can really tell you a lot about the thing it's describing. Think about the terms interior angle and exterior angle. Can you guess where each is located on a polygon? Take a look at this tutorial to find the answer and learn about interior and exterior angles!

    • What are Equilateral, Isosceles, and Scalene Triangles?What are Equilateral, Isosceles, and Scalene Triangles?

    What are Equilateral, Isosceles, and Scalene Triangles?

    Did you know that there are different kinds of triangles? Knowing how to identify these triangles is an important part of solving many problems involving these triangles. Check out this tutorial and learn about some of the different kinds of triangles!

    • How Do You Find the Sum of the Interior Angles of a Polygon?How Do You Find the Sum of the Interior Angles of a Polygon?

    How Do You Find the Sum of the Interior Angles of a Polygon?

    Polygons have all kinds of neat properties! For example, if you know the number of sides of a polygon, you can figure out the sum of the interior angles. That knowledge can be very useful when you're solving for a missing interior angle measurement. Check out this tutorial to learn how to find the sum of the interior angles of a polygon!

    • What is the Triangle Sum Theorem?What is the Triangle Sum Theorem?

    What is the Triangle Sum Theorem?

    When you're dealing with triangles, the Triangle Sum theorem can be very useful in finding interior angle measurements. In this tutorial, learn how to find this helpful theorem!

    • Why Are the Angles of Equilateral Triangles Always Equal to 60°?Why Are the Angles of Equilateral Triangles Always Equal to 60°?

    Why Are the Angles of Equilateral Triangles Always Equal to 60°?

    Did you know that the interior angles of an equilateral triangle will always measure the same, no matter the size of the equilateral triangle? In this tutorial, you'll see how to find the measurements of the interior angles of an equilateral triangle. Take a look!

    • How Do You Find a Missing Hypotenuse in a 45°-45°-90° Triangle?How Do You Find a Missing Hypotenuse in a 45°-45°-90° Triangle?

    How Do You Find a Missing Hypotenuse in a 45°-45°-90° Triangle?

    Looking at a 45-45-90 triangle? Trying to find a missing side length? You could use the Pythagorean theorem, or you could use your knowledge of this special type of triangle to get that missing measurement. In this tutorial, see how to solve for a missing side length by using your knowledge of 45-45-90 triangles to find a scale factor and set up an equation to solve!

    • How Do You Find Missing Sides in a 30°-60°-90° Triangle?How Do You Find Missing Sides in a 30°-60°-90° Triangle?

    How Do You Find Missing Sides in a 30°-60°-90° Triangle?

    Looking at a 30-60-90 triangle? Trying to find a missing side length? You could use the Pythagorean theorem, or you could use your knowledge of this special type of triangle to get that missing measurement. In this tutorial, see how to solve for a missing side length by using your knowledge of 30-60-90 triangles to find a scale factor and set up an equation to solve!

    • What is a 45°-45°-90° Triangle?What is a 45°-45°-90° Triangle?

    What is a 45°-45°-90° Triangle?

    A 45-45-90 triangle is a special right triangle with some very special characteristics. If you have a 45-45-90 triangle, you can find a missing side length without using the Pythagorean theorem! Check out this tutorial to learn about 45-45-90 triangles!

    • What is a 30-60-90 Degree Triangle?What is a 30-60-90 Degree Triangle?

    What is a 30-60-90 Degree Triangle?

    A 30-60-90 triangle is a special right triangle with some very special characteristics. If you have a 30-60-90 degree triangle, you can find a missing side length without using the Pythagorean theorem! Check out this tutorial to learn about 30-60-90 triangles!

    • How Do You Find the Area of a Rectangle?How Do You Find the Area of a Rectangle?

    How Do You Find the Area of a Rectangle?

    To find the area of a rectangle, multiply the length times the width! This tutorial will show you how to find the area of a rectangle. Check it out!

    • How Do You Find the Area of a Triangle?How Do You Find the Area of a Triangle?

    How Do You Find the Area of a Triangle?

    Finding the area of a triangle? Know the length of the base and the height? Then just take those values and plug them into the formula for the area of a triangle and solve! This tutorial shows you how.

    • How Do You Find the Area of a Parallelogram?How Do You Find the Area of a Parallelogram?

    How Do You Find the Area of a Parallelogram?

    Looking for the area of a parallelogram? Got the length of the base and the height? Then plug those values into the formula for the area of a parallelogram and solve. This tutorial takes you through the process!

    • How Do You Find the Base of a Parallelogram if You Know the Area and Height?How Do You Find the Base of a Parallelogram if You Know the Area and Height?

    How Do You Find the Base of a Parallelogram if You Know the Area and Height?

    Want to find the length of the base of a parallelogram? Already know the area and the height? Then you can use the formula for the area of a parallelogram to find that missing measurement! Check out this tutorial to learn how!

    • How Do You Find the Circumference of a Circle if You Know the Diameter?How Do You Find the Circumference of a Circle if You Know the Diameter?

    How Do You Find the Circumference of a Circle if You Know the Diameter?

    Trying to find the circumference of a circle? Know the diameter? Then you can use the formula for the circumference of a circle to get the answer! Just plug the value for the diameter into the formula and solve. This tutorial shows you how!

    • How Do You Find the Circumference of a Circle if You Know the Radius?How Do You Find the Circumference of a Circle if You Know the Radius?

    How Do You Find the Circumference of a Circle if You Know the Radius?

    Trying to find the circumference of a circle? Know the radius? Then you can use the formula for the circumference of a circle to get the answer! Just plug the value for the radius into the formula and solve. This tutorial shows you how!

    • How Do You Find the Radius of a Circle if You Know the Circumference?How Do You Find the Radius of a Circle if You Know the Circumference?

    How Do You Find the Radius of a Circle if You Know the Circumference?

    Want to find the radius of a circle? Already have the circumference? Then you can use the formula for the circumference of a circle to solve! This tutorial shows you how to use that formula and the given value for the circumference to find the radius. Take a look!

    • How Do You Find the Area of a Circle if You Know the Radius?How Do You Find the Area of a Circle if You Know the Radius?

    How Do You Find the Area of a Circle if You Know the Radius?

    If you know the radius of a circle, you can use it to find the area of that circle. Just plug that value into the formula for the area of a circle and solve. Watch this tutorial to see how it's done!

    • How Do You Find the Radius of a Circle if You Know the Area?How Do You Find the Radius of a Circle if You Know the Area?

    How Do You Find the Radius of a Circle if You Know the Area?

    Want to find the radius of a circle? Already have the area? Then you can use the formula for the area of a circle to solve! This tutorial shows you how to use that formula and the given value for the area to find the radius. Take a look!

    • How Do You Find the Area of a Circle if You Know the Diameter?How Do You Find the Area of a Circle if You Know the Diameter?

    How Do You Find the Area of a Circle if You Know the Diameter?

    If you have the diameter of a circle, you can use it to find the area of that circle. Just plug that value into the formula for the area of a circle and solve. Watch this tutorial to see how it's done!

    • How Do You Find the Area of a Sector of a Circle?How Do You Find the Area of a Sector of a Circle?

    How Do You Find the Area of a Sector of a Circle?

    Trying to find the area of a sector of a circle? Then check out this tutorial! You'll see how to use given information and the formula for the area of a sector to find the answer. Take a look!

    • How Do You Find the Volume of a Cylinder?How Do You Find the Volume of a Cylinder?

    How Do You Find the Volume of a Cylinder?

    The volume of a cylinder is the amount of space that will fit inside it. You can use the formula for the volume of a cylinder to find that amount! In this tutorial, see how to use that formula and the radius and height of the cylinder to find the volume. Check it out!

    • How Do You Find the Height of a Cylinder if You Know the Volume?How Do You Find the Height of a Cylinder if You Know the Volume?

    How Do You Find the Height of a Cylinder if You Know the Volume?

    Want to find the height of a cylinder? Already know the volume of the cylinder and radius of the base? Then, you can use the formula for the volume of a cylinder to find the height! Check out this tutorial to see how!

    • How Do You Find the Volume of a Rectangular Prism?How Do You Find the Volume of a Rectangular Prism?

    How Do You Find the Volume of a Rectangular Prism?

    Finding the volume of a rectangular prism isn't so bad, especially if you already know the length, width, and height. In this tutorial, you'll see how to use that information and the formula for the volume of a rectangular prism to get the answer. Check it out!

    • How Do You Find the Lateral and Surface Areas of a Rectangular Prism?How Do You Find the Lateral and Surface Areas of a Rectangular Prism?

    How Do You Find the Lateral and Surface Areas of a Rectangular Prism?

    The lateral area of a three-dimensional solid is the area of all the lateral faces. In this tutorial, you'll see how to use the dimensions of a rectangular prism to find the lateral area. Take a look!

    • How Do You Find the Lateral and Surface Areas of a Cylinder?How Do You Find the Lateral and Surface Areas of a Cylinder?

    How Do You Find the Lateral and Surface Areas of a Cylinder?

    Want to know how the find the lateral and surface areas of a cylinder? Then this tutorial was made for you! You'll see how to apply each formula to the given information to find the lateral area and surface area. Check it out!

    • What is a Circle?What is a Circle?

    What is a Circle?

    Circles are a fundamental part of math! In this tutorial, you'll be introduced to circles and see the different parts of a circle such as the diameter, radius, and chord. Check out this tutorial to learn about circles!

    • What is Pi?What is Pi?

    What is Pi?

    Some numbers are just so cool that they get their own tutorial. Take the irrational number pi. This number is simply a ratio, but people have been working for years to find more and more digits of pi. Check out this tutorial to learn about pi!

    • What is a Sector and Central Angle?What is a Sector and Central Angle?

    What is a Sector and Central Angle?

    Just about everything in math has a name! Did you know that a fraction of the area of a circle is known as a sector? This tutorial introduces you to the term sector and gives you examples of sectors. Take a look!

    • What is a Prism?What is a Prism?

    What is a Prism?

    The term prism is a cool name for a special kind of three-dimensional solid. This tutorial defines the term prism and shows you how to name a prism using the shape of its bases. Check it out!

    • What is a Solid?What is a Solid?

    What is a Solid?

    Understanding solids is a building block for finding their lateral area, surface area, and volume. In this tutorial, you'll see examples of solids and learn their different parts. Take a look!

    • What is a Cylinder?What is a Cylinder?

    What is a Cylinder?

    Soda cans, coffee cans, and some candles are just a few examples of cylinders. In this tutorial, you'll see what defines a cylinder. You'll also see the different parts of a cylinder. Take a look!

    • What is the Formula for the Area of a Rectangle?What is the Formula for the Area of a Rectangle?

    What is the Formula for the Area of a Rectangle?

    Trying to find the area of a rectangle? There's a formula that can help! Check out this tutorial to learn about the formula for the area of a rectangle.

    • What is the Formula for the Area of a Triangle?What is the Formula for the Area of a Triangle?

    What is the Formula for the Area of a Triangle?

    Did you know that the formula for the area of a triangle can be found by using the formula for the area of a parallelogram? In this tutorial, you'll see how it's done! Take a look!

    • What is the Formula for the Area of a Parallelogram?What is the Formula for the Area of a Parallelogram?

    What is the Formula for the Area of a Parallelogram?

    Parallelograms and rectangles are pretty similar. In fact, you can turn a parallelogram into a rectangle to find the formula for the area of a parallelogram! Check out this tutorial to see how it's done!

    • What is Circumference?What is Circumference?

    What is Circumference?

    The circumference of a circle is the distance around that circle. But what is the formula to find the circumference? In this tutorial, you'll learn the formulas for the circumference of a circle. Take a look!

    • What is the Formula for the Area of a Circle?What is the Formula for the Area of a Circle?

    What is the Formula for the Area of a Circle?

    Did you know that you can figure out the formula for the area of a circle by first turning the circle into a parallelogram? It seems a little weird, but it really works! Watch this tutorial to see how it's done!

    • What is the Formula for the Area of a Sector of a Circle?What is the Formula for the Area of a Sector of a Circle?

    What is the Formula for the Area of a Sector of a Circle?

    A sector is just a fraction of the area of a circle. Did you know that there's a formula to help you find the area of a sector? In this tutorial, you'll learn how to find that formula! Take a look!

    • What is the Formula for the Volume of a Prism?What is the Formula for the Volume of a Prism?

    What is the Formula for the Volume of a Prism?

    Trying to find the volume of a prism? Did you know that there's a formula to find that volume? In this tutorial, you'll learn about the formula for the volume of a prism. Check it out!

    • What is the Formula for the Volume of a Cylinder?What is the Formula for the Volume of a Cylinder?

    What is the Formula for the Volume of a Cylinder?

    Did you know that you can use the formula for the area of a circle to find the formula for the volume of a cylinder? In this tutorial, you'll see how to do just that! Watch this tutorial to learn about the formula for the volume of a cylinder.

    • What is the Formula for the Surface Area of a Prism?What is the Formula for the Surface Area of a Prism?

    What is the Formula for the Surface Area of a Prism?

    To find the lateral and surface areas of a prism, it’s important to know their formulas. In this tutorial, you’ll learn about each of these formulas and see them used in an example. Check it out!

    • What is the Formula for the Surface Area of a Cylinder?What is the Formula for the Surface Area of a Cylinder?

    What is the Formula for the Surface Area of a Cylinder?

    To find the lateral and surface areas of a cylinder, it’s important to know their formulas. In this tutorial, you’ll learn about each of these formulas and see them used in an example. Check it out!