Lateral area = surface area of 4 sides of the cube = 4s2 = 4 x 52 = 100
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Each face of the cube has an area of 36 square feet (6 x 6). With 6 faces, the area is 6 x 36 sq ft = 216 square ft
Square feet are a measure of area (two dimensions) Linear feet are a measure of distance (one dimension) They don't translate.
Example 6:A cube has a surface area of 150. What is the volume of the cube?Solution:The surface area of the cube is:SA= 6a2Thus:a2= SA/6 = 150/6 = 25anda = 5 cmThe volume of the cube is:V= a3V = 53V = 125 cm3
One side of the cube would have a surface area of 16 X 16, which is 256 sq. ft. And a cube has 6 sides, 6 X 256 = 1536 sq. ft.
Width = Area/Length = 9375/75 = 125 feet. PS (A pedantic note): The longer dimension is usually called the length.