Surface Area from Nets

Surface Area from Nets
Introduction

Surface area is the total area covering the outside of a three-dimensional object. One effective way to understand surface area is by using nets, which show all the faces of a so...

Let’s paint a cylindrical container and find the amount of paint needed.

To find that, calculate the total surface area of the cylinder using its net. In the net, the two circles are the bases, and the rectangle is the lateral surface that we get from unwrapping the middle of the cylinder.

The radius of the cylinder is 25 centimeters...