Looking around your room you decide it's time for a change. A new paint color will really make a huge difference. After deciding on the color, you need to know how much paint to buy.

Is there a way that math can help you figure out how many cans of paint need to be purchased? Click on the image below to learn more.

In this lesson, we are going to calculate the surface area of prisms such as your room. We will work with both a method using a net and a method using formulas.