Question

What is the area (in sq cm) of an equilateral triangle of side 14 cm?

A) 49√3 B) 98√3 C) (49/2)√3 D) (49/4)√3

Answer 1

A) 49√3

area of equilateral triangle = √3/4×a^(2)

a =sides of equilateral triangle

so,

√3/4×14^(2)

√3/4×196

√3×49 = 49√3

Hope this helps you