Question

find the perimeter of an equilateral triangle whose area is 16 underroot3msquare

Answer 1

Area of equilateral triangle = 16/√3

√3a²/4= 16/√3

A² = 16×4/√3×√3

A² = 64/3
A = 8/√3
= 8√3/3

Perimeter of equilateral triangle= 3a
= 3(8√3/3)
= 8√3 m