Question

The area of an equilateral triangle is 16 root 3 cm² then what is the perimeter?

Answer 1

√3/4a^2=area of equilateral triangle
That implies √3/4a^2=16√3
a^2=64
a=8
Perimeter of equilateral triangle=3a
3a=3*8=24

Answer 2

Check the attachment