if the area of an equilateral triangle is 16 root 3 cm square , find the perimeter of the trinagle
Area of an equilateral triangle = √3/4 a2 units
Given area of the triangle is 16√3 cm2
√3/4 a2 =16√3 cm2
= a2 = 16√3 cm2* 4/√3
= a2 = 64 cm2
= a = 8 cm
Perimeter of the triangle = 3a = 3*8cm = 24 cm