Question

If the area of an equilateral triangle is 16root3 cm,then find th perimeter of the triangle

Answer 1

Let x be side of triangle

16 root 3 = root 3 ×x×x/4

16 =x^2 /4

16×4=x^2

64 = x^2

8 =x

8cm

P = 3s

3×8

24 cm