the area of an equilateral triangle is 64 root 3sq. cm .find the perimeter
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let side is a
then
√3a²/4=64√3
or a²=64*4
or a=8*2
or a=16
then perimeter=3a=3*16=48..............(ans)
then
√3a²/4=64√3
or a²=64*4
or a=8*2
or a=16
then perimeter=3a=3*16=48..............(ans)
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