If the area of a equilateral triangle is 81root3 cm? Find its perimeter?
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81√3=√3a square/4
two √3 get cancelled
81= a square /4
a square = 324
a = √324
= 18
therefore perimeter = 3×18
54
two √3 get cancelled
81= a square /4
a square = 324
a = √324
= 18
therefore perimeter = 3×18
54
anju1910:
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