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Geometry
This is a list of all Virtual Nerd tutorials in Geometry, organized by topic.
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Fundamentals of Geometry
Points, Lines, and Planes
Measuring Segments
Measuring Angles
Angle Pair Relationships
Distance and Midpoints
- How Do You Bisect a Segment by Constructing?
- How Do You Find the Distance Between Two Points?
- How Do You Find the Midpoint Between Two Coordinates?
- How Do You Find the Midpoint of Two Points on a Map If You Have the Coordinates?
- How Was the Distance Formula Derived?
- What Is the Distance Formula?
- What's the Midpoint Formula?
- What's the Midpoint of Two Points on a Number Line?
Perimeter, Circumference, and Area
- 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 Radius?
- How Do You Find the Area of a Rectangle?
- How Do You Find the Area of a Triangle?
- 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 Radius?
- How Do You Find the Perimeter of a Rectangle?
- How Do You Find the Perimeter of a Shape?
- What is Area?
- What is Circumference?
- What is the Formula for the Area of a Circle?
- What is the Formula for the Area of a Rectangle?
- What is the Formula for the Area of a Triangle?
- What's the Formula for the Perimeter of a Rectangle?
Reasoning and Proof
Parallel and Perpendicular Lines
Parallel Lines and Transversals
Slopes of Lines
- How Do You Find the Slope of a Line from a Graph?
- How Do You Find the Slope of a Line from Two Points?
- How Do You Know if Two Lines are Parallel?
- How Do You Know if Two Lines are Perpendicular?
- What Does 0 Slope Mean?
- What Does Negative Slope Mean?
- What Does Positive Slope Mean?
- What Does the Slope of a Line Mean?
- What Does Undefined Slope Mean?
- What is Rate of Change?
- What's the Formula for Slope?
Lines In the Coordinate Plane
- How Do You Graph a Horizontal Line?
- How Do You Graph a Line If You're Given the Slope and the Intercept?
- How Do You Graph a Vertical Line?
- How Do You Put an Equation in Point-Slope Form Into Standard or Slope-Intercept Form?
- How Do You Put an Equation in Standard Form Into Slope-Intercept or Point-Slope Form?
- How Do You Write an Equation for a Horizontal Line?
- How Do You Write an Equation for a Vertical Line?
- How Do You Write an Equation of a Line in Point-Slope Form If You Have the Slope and One Point?
- How Do You Write an Equation of a Line in Point-Slope Form If You Have Two Points?
- How Do You Write an Equation of a Line in Slope-Intercept Form If You Have One Point and a Parallel Line?
- How Do You Write an Equation of a Line in Slope-Intercept Form If You Have One Point and a Perpendicular Line?
- How Do You Write the Equation of a Line in Slope-Intercept Form If You Have the Slope and the Y-Intercept?
- How Do You Write the Equation of a Line in Slope-Intercept Form If You Have Two Points?
- What's Point-Slope Form of a Linear Equation?
- What's Slope-Intercept Form of a Linear Equation?
Proving Lines Parallel
Parallel and Perpendicular Lines
Congruent Triangles
Relationships Within Triangles
Quadrilaterals
Similarity
Ratios and Proportions
- How Do You Find the Angles in a Triangle if You Have a Ratio of Their Measures?
- How Do You Find the Scale of a Model?
- How Do You Solve a Proportion Using Cross Products?
- How Do You Solve a Scale Model Problem Using a Proportion?
- How Do You Solve a Scale Model Problem Using a Scale Factor?
- How Do You Use the Scale on a Map to Find an Actual Distance?
- How Do You Write a Ratio From a Word Problem?
- What are the Means and Extremes of Proportions?
- What is a Scale Drawing?
- What is a Scale?
- What's a Proportion?
- What's a Ratio?
- What's the Means-Extremes Property of Proportions?
Similar Polygons
Similar Triangles
Parallel Lines and Proportional Parts
Dilations and Similarity Transformations
Right Triangles and Trigonometry
The Pythagorean Theorem and its Converse
Similarity in Right Triangles
Special Right Triangles
Trigonometric Ratios
- How Do You Find a Missing Side of a Right Triangle Using Cosine?
- How Do You Find a Missing Side of a Right Triangle Using Sine?
- How Do You Find a Missing Side of a Right Triangle Using Tangent?
- How Do You Find the Cosine of an Angle in a Right Triangle?
- How Do You Find the Sine of an Angle in a Right Triangle?
- How Do You Find the Tangent of an Angle in a Right Triangle?
- What is the Sine Ratio?
- What is the Tangent Ratio?
Angles of Elevation and Depression
Vectors
Solving Right Triangles
Transformations
Circles
Length and Area
Areas of Parallelograms and Triangles
- How Do You Find the Area of a Parallelogram?
- How Do You Find the Area of a Triangle?
- How Do You Find the Height of a Triangle if You Know the Area and Base?
- What is the Formula for the Area of a Parallelogram?
- What is the Formula for the Area of a Triangle Using Sines?
- What is the Formula for the Area of a Triangle?
Areas of Trapezoids, Rhombuses, and Kites
Circumference and Arc Length
Areas of Circles and Sectors
- 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 Radius?
- How Do You Find the Area of a Sector of a Circle?
- How Do You Find the Radius of a Circle if You Know the Area?
- What is the Formula for the Area of a Circle?
- What is the Formula for the Area of a Sector of a Circle?
Areas of Regular Polygons and Composite Figures
Perimeter and Area of Similar Figures
Geometric Probability and Simulations
Surface Area and Volume of Solids
Introduction to Solid Geometry
Surface Area of Prisms and Cylinders
- How Do You Find the Lateral and Surface Areas of a Cylinder?
- How Do You Find the Lateral and Surface Areas of a Rectangular Prism?
- How Do You Find the Lateral and Surface Areas of a Triangular Prism?
- How Do You Find the Surface Area of a Cylinder Using a Net?
- How Do You Find the Surface Area of a Rectangular Prism Using a Net?
- What is the Formula for the Surface Area of a Cylinder?
- What is the Formula for the Surface Area of a Prism?
Surface Area of Pyramids and Cones
Volume of Prisms and Cylinders
Volume of Pyramids and Cones
Spheres
Congruent and Similar Solids