Area of an equilateral triangle = √3/4 S2
If S = 20, Area of triangle = √3/4 * 20 * 20 = 100√3 cm2;
What is the are of an equilateral triangle of side 20 cm?
Options:
A) 64√5
B) 64√9
C) 64√4
D) 64√3
E) 100√3