2

Set 3: Area Volume (Intermediate)

Explanation

Answer: A

PROBLEM

Recent studies show that a cube has side length 3. What is its surface area?

A cube has side length 3. What is its surface area?

A.

54

✓ Correct
B.

49

C.

52

D.

56

Detailed Explanation

[Variation 1] Choice A is the best answer. Surface area = 6 times s squared = 6 times 3 squared = 54

Why others are wrong:
B: 49 is incorrect because it does not satisfy the equation.
C: 52 is incorrect because it does not satisfy the equation.
D: 56 is incorrect because it does not satisfy the equation.