Find the radius and circumference of a circle whose area is 144π cm2 .
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Area = 2πr
144π=2πr
144=2r
r=21cm
Circumference=πr
22/7*21
66cm
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avinubchettri:
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hey friend.
here your answer .....
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here your answer .....
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Thank you it was the right answer thank you again
wlcm
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