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2014-12-11T22:19:20+05:30

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Perimeter of circle          2×22/7×r=2.456
                                   r=2456/1000×7/22×1/2=0.390
then area= 22/7×r²= 22/7×0.39×0.39=3.3462/7=0.4780
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2014-12-11T22:22:54+05:30
Perimeter of circle          2×22/7×r=2.456                                   r=2456/1000×7/22×1/2=0.390then area= 22/7×r²= 22/7×0.39×0.39=3.3462/7=0.4780
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