The edge of a cube is 3a cm. Find its surface?\nOptions:\n(A) 24a8\n(B) 24a4\n(C) 24a1\n(D) 54a2\n(E) 24a7 Stream of consciousness first, then make a decision:
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6a2 = 6 * 3a * 3a = 54a2
Thus, the answer is (D).
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