SAT Math Multiple Choice Practice Question 254: Answer and Explanation

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Question: 254

12. What is the surface area of a cube that has a volume of 64 cubic centimeters?

A. 64 square centimeters
B. 96 square centimeters
C. 256 square centimeters
D. 288 square centimeters
E. 384 square centimeters

Correct Answer: B


B The volume of a cube is equal to s3, where s is the length of one edge. If , then , and so each square face has an area of . Since a cube has six faces, the total surface area is .

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