If the perimeter of a semi-circular park is 72 m,find its area and radius
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perimeter of semicircle=22/7*r=72m
r= 72*7/22
r=22.909090909
now area of semicircle=22/7*2×rsquare
22/14×22.909090909×909090909=824.7272....
hope it is right
r= 72*7/22
r=22.909090909
now area of semicircle=22/7*2×rsquare
22/14×22.909090909×909090909=824.7272....
hope it is right
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