if the area of an equilateral triangle is 16 root 3 find the perimeter of this triangle
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Area of equilateral triangle = √3/4 a square
16√3 = √3/4 a square
a square = 16√3 x 4/√3
a square = 16 x 4
a square = 64
a = √64
a = 8
perimeter = 3 x side
= 3 x 8
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