What is the are of an equilateral triangle of side 16 cm?
Options:
(A) 64√5
(B) 64√9
(C) 44√3
(D) 64√3
(E) 14√3 Stream of consciousness first, then make a decision:
user
Area of an equilateral triangle = √3/4 S2
If S = 16, Area of triangle = √3/4 * 16 * 16 = 64√3 cm2;
Thus, the answer is (D).
assistant