Question

area of an equilateral triangke is 100root3m square find its perimeter​

Answer 1

Answer:

60 m

Step-by-step explanation:

area of equilateral triangle = √3×a²/4 where a is the side of the triangle

100√3 = √3a²/4

100 = a²/4

a² =400

a = 20 m

perimeter of equilateral triangle = 3a = 60 m