What is the are of an equilateral triangle of side 16 cm?\nOptions:\n(A) 66√3 cm2\n(B) 74√3 cm2\n(C) 64√3 cm2\n(D) 64√5 cm2\n(E) 14√3 cm2 Hmmm, my stream of consciousness:
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Area of an equilateral triangle = √3/4 S2\nIf S = 16, Area of triangle = √3/4 * 16 * 16 = 64√3 cm2; So, the answer is (D).
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