# Two-dimensional and three-dimensional figures. The student uses the process skills to recognize characteristics and dimensional changes of two- and three-dimensional figures.

### Popular Tutorials in Two-dimensional and three-dimensional figures. The student uses the process skills to recognize characteristics and dimensional changes of two- and three-dimensional figures.

#### How Do You Use Similar Figures to Find the Area of a Polygon?

When you're working with similar figures, knowing the scale factor can help you find all sorts of pieces including side measurements and area. This tutorial shows you how to use the scale factor to help find the area of one of the figures.

#### 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 Cone?

To find the volume of a cone, you need to plug in the measurement for the height of the cone and the radius of the base into the formula for the volume of a cone. Then simplify to get your answer. This tutorial shows you the entire process step-by-step!

#### How Do You Find the Volume of a Sphere?

Want to find the volume of a sphere? If you know the radius of the sphere, you can simply plug that value into the formula for the volume of a sphere and simplify! This tutorial shows you how!

#### 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?

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!

#### How Do You Find the Lateral and Surface Areas of a Regular Pyramid?

Want to know how the find the lateral and surface areas of a regular pyramid? 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!

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

Want to know how the find the lateral and surface areas of a cone? Then check out this tutorial! You'll see how to apply each formula to the given information to find the lateral area and surface area. Take a look!

#### How Do You Find the Surface Area of a Sphere?

Trying to find the surface area of a sphere? Already know the radius? Then plug that value into the formula for the surface area of a sphere and solve to get the answer! This tutorial shows you how!

#### 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 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 the Relationship Between the Surface Areas of Similar Solids?

If you have similar solids, there's a ratio that relates their surface areas. This tutorial uses similar prisms to help you find the ratio rule of the surface areas of any similar solids!

#### 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?

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 Volume of a Pyramid?

Looking for the formula for the volume of a pyramid? Then check out this tutorial! You'll learn about the formula for the volume of a pyramid and see how to use the formula in an example. Take a look!