If a cube has a volume of 64, the perimeter of one face of the cube is:
A: 8 B: 32 C: 4 D: 16 E: 24
This is about as easy as SAT math questions will get! The volume of a cube is equal to the length x the width, x the height, or, because the sides of a cube are all the same length, it would be determined by cubing one of the sides. If you’re given the volume of a cube, then you know that the length of each side is the cube root of that volume. The cube root of 64 is 4. One face of a cube is, of course, a square. A square of side 4 has a perimeter of 16. The answer is (D).
source: studyguidezone.com
