The area of a circle is 1386 sq.cm ; find its circumference.
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Answer:
area=πr2 where r is the radius of the circle. Hence we got the radius as 21 cm. C=2πr where r is the radius of the circle. Hence, we got the circumference of the circle as 132 cm.
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Complete step-by-step answer:
area=πr2 where r is the radius of the circle. Hence we got the radius as 21 cm. C=2πr where r is the radius of the circle. Hence, we got the circumference of the circle as 132 cm.
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