two concentric circles have the radii 13cm and 9.5cm resp. calculate the area of the space enclosed by these two circles
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two concentric circles have the radii 13cm and 9.5cm resp. calculate the area of the space enclosed by these two circles
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Answer:
area of bigger circle =πr2
=314/100×13×13=53066/100=530.66
area of smaller circle=πr2
=314/100×9.5×9.5=2833850/10000=283.3850
area of space =530.66-283. 39=246.27cm2
Answer:
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