Question

What is the surface area of the outside of a cube shaped closed-top water tank whose edge length is 7.2ft ?

Answer 1

The surface area of the cube is 311.04 $ft^{2}$. One Face of the cube is 51.84 $ft^{2}$ and there are six faces so 51.84 x 6 = 311.04.

Answer 2

The surface area is 311.04 square feet.