Verified answer

Answer:27.35

Step-by-step explanation:

27.35

Answer:

Step-by-step explanation:

area of an equilateral triangle is 36√3 cm²

Area of Equilateral Triangle (A) = (√3/4)a²

here a is side

(√3/4)a²= 36√3
a=12

perimeter = 3a

3*12

36