Question

The area of an equilateral triangle is 9 root 3 cm square. Find its perimeter.

Answer 1

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Answer 2

Answer:

18 cm

Step-by-step explanation:

let the equal sides of the equilateral triangle be a

area of the triangle = 9√3

√3/4 a² = 9√3

a² = 9√3/3× 4

a² = 36

By taking square root

a = 6

perimeter = 3× side

= 3× 6

= 18 cm