Question

The area of an equilateral triangle is 16root 3 cm2 .find its perimeter

Answer 1

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Answer 2

Let 'a'cm be the side of triangle

area of equilateral triangle=(a²√3)/4

16√3=(a²√3)/4

16×4√3=a²√3

64=a²

a=8cm

perimeter of triangle=3a

                                 =3×8

                                 =24cm