Virtual Nerd: What Is the Formula for the Surface Area of a Sphere?

What is the relationship between a hemisphere, a cone, and a cylinder? Using Cavalieri's Principle, the class determines that the sum of the volume of a hemisphere and a cone with the same radius and height equals the volume of a...

Create a solid understanding of the concept of surface area. Building from the previous lesson in the series, the instructor demonstrates how to apply a formula to find the surface area of a rectangular prism. Examples use the formula to...

By watching this tutorial you can learn about the formula for the surface area of a prism and see it used in an example. [9:35]

To find the lateral and surface areas of a cylinder, it's important to know their formulas. Watch this tutorial to learn about each of these formulas and see them used in an example. [6:08]

What do a basketball, a bowling ball, and a ping pong ball all have in common? They are spheres. So how do you measure the surface area of a sphere? Yes, there is a formula and all you have to do is know one measurement of the sphere to...

To find the surface area of a sphere, plug in the value of the radius into the formula for the surface area of a sphere and solve to get the answer. Take a look at this tutorial to learn how. [3:16]

In this tutorial, learn how to use a cylinder with the same dimensions to find the formula for the volume of a sphere. [4:56]

Learn how to use sines to find the area of a triangle. [5:33]

You can find the area of a triangle by using the same formula for the area of a parallelogram. Watch this tutorial to see how it's done. [4:44]

Watch this tutorial to learn about the formula for the volume of a cylinder which is the same as the formula for the area of a circle. [5:33]