Student: What is the are of an equilateral triangle of side 2 cm?\nOptions:\n(A) √3\n(B) 64√9\n(C) 64√4\n(D) 64√3\n(E) 64√2.
Another student: Let's say, hmmm...

User
Area of an equilateral triangle = √3/4 S2\nIf S = 2, Area of triangle = √3/4 * 2 * 2 = √3 cm2; Final answer: (A).
Assistant