Math, asked by viraj11115, 1 year ago

find circumference of circle whose area is 1386
${cm}^{2}$

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Answers

Answered by riya7583

0

area=πr2

1386 = 22/7*R2

R2=1386×7/22

R2=63*7

R2=441

r=√441

r=21 cm

circumference=2πr

2*22/7*21

132cm

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