Give a quick stream of consciousness before answering the following question. The edge of a cube is 3a cm. Find its surface?\nOptions:\n(A) 64a2 cm2\n(B) 54a2 cm2\n(C) 84a2 cm2\n(D) 24a2 cm2\n(E) 34a2 cm2
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6a2 = 6 * 3a * 3a = 54a2
The answer: (B).
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