the perimeter of an equilateral triangle is 12 CM . then find its area
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side of a equilateral triangle is same.
perimeter = X+X+X
3X = 12
X = 12/3
X = 4
therefore 4 is the side of the triangle.
area = (√3/4 )s^2
= (√3*4^2)/4
= √3*4
perimeter = X+X+X
3X = 12
X = 12/3
X = 4
therefore 4 is the side of the triangle.
area = (√3/4 )s^2
= (√3*4^2)/4
= √3*4
Abhijeettyagi:
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