find area of semicircle whose circumference is 55cm
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circunfrence of a semicircle=pie r
22/7×x=55
x=55×7/22
x=35/2
x=17.5
area=22/7×17.5×17.5
=962.5
22/7×x=55
x=55×7/22
x=35/2
x=17.5
area=22/7×17.5×17.5
=962.5
Harsimrat67:
it's answer is 481.25
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