Question

Area of an equilateral triangle is 25*sqrt3 cm^2. Perimeter is

Answer 1

Area of an equilateral triangle = √3×s/4

25√3 = √3×s/4

25 × √3 × 4/√3 = s

25×4 = s

s = 100

Perimeter of an equilateral triangle = 3s

= 3×100

= 300 cm