Question

A cube has a base of 9 in2 and height of 12 inches.

Part A
What is the surface area, in square inches, of the cube?
a. 54 in2
b. 81 in2
c. 144 in2
d. 72 in2

Answer 1

If you do 9 in2, = 81, so the answer is B. 81 in2.

Answer 2

B is the best answer., formula for square is L²