perimeter of a semi-cirle is 72 .find its area and radius
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Perimeter of semicircle =22/7r
72=22/7*r
r=72*7/22=22.9
Area of semicircle =1/2*22/7*22.9*22.9=824.7
I think it is helpful
72=22/7*r
r=72*7/22=22.9
Area of semicircle =1/2*22/7*22.9*22.9=824.7
I think it is helpful
chiragy234p1v8mt:
thanks but in my book this is not the ans
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