What is the are of an equilateral triangle of side 16 cm? Pick one:
A) 66√3 cm2  B) 74√3 cm2  C) 64√3 cm2  D) 64√5 cm2  E) 14√3 cm2
Area of an equilateral triangle = √3/4 S2   If S = 16, Area of triangle = √3/4 * 16 * 16 = 64√3 cm2;   Answer:64√5 cm2
<result>D</result>
What is the are of an equilateral triangle of side 16 cm?