Question

The net below shows the dimensions of Michelle’s living room. She is going to put wallpaper on the living room walls.

What is the difference, in square yards, between the total and lateral surface areas of the room?

Answer 1

The total surface area of the net is 121.8yd^2.

The lateral surface area of the net is 79.8yd^2.

This means that the difference between the total surface area and the lateral surface area is 42yd^2.