Find the circumference of circle whose radius is 21cm say the answer
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Answer:
Circumference of circle=2πr
=2×22/7×21=132cmAns.
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Answered by
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Step-by-step explanation:
Given - radius(r) = 21
solution-
circumference(c) = 2πr
= 2 x 22/7x21
= 2 x 22x3
(c) = 132cm
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