Finding the perimeter of the roof Imagine if you were to walk around the outside of a football field how far would you have walked. In order for find the perimeter of a square . You can add the length of the sides. Using the actual picture of the roof above, find the perimeter of the roof. Finding the volume of the roof Both area and perimeter are 2 dimensional measurements.
Length is one dimension and width is another dimension.
By adding height we can get a third dimension. A 1 X 1X 1 cube will hold one cubic square inch of water. Then find the volume for 2 cubic square inches. Using the above information, estimate how many cubic inches of water could cover the surface of the roof if it were to rain 2 inches and none of the water was to drain. There are exactly 231 in.