will mark as brainliest. if a wire is bent to for a square then the area is 49 sq cm . find the area of the semi circle when the wire is bent to foem a semicircle.
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area of square = 48
a2 = 49
a = 7
perimeter of square = perimeter of semicircle
perimeter of semicircle = 4*7=28
pi*r+2r= 28
r(2+pi)= 28
a2 = 49
a = 7
perimeter of square = perimeter of semicircle
perimeter of semicircle = 4*7=28
pi*r+2r= 28
r(2+pi)= 28
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