A cooper wire in the form of a circle , encloses an area of 616cm sq. If the same wire is bent to form a square, find its area.
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616 = 22/7 ×r×r. area of circle
r= 7.89cm
now area of square=
side ×side
= 7.89× 7.89cm
= 62.36cmsq (approx)
r= 7.89cm
now area of square=
side ×side
= 7.89× 7.89cm
= 62.36cmsq (approx)
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