find the area of the circle whose perimeter is 2.456
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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
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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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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