Find the circumference of the given diameter is 21cm and 7cm
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Hiii here is your answer⬇⬇
When d is 21 cm
Then , r is 21/2 cm
Circumference of circle = 2*pie*r
= 2*22/7*21/2
=22*3
=66 cm
When d is 7 cm
Then, r is 7/2 cm
Circumference of circle = 2*pie*r
=2*22/7*7/2
=22cm
Hope it helps you✌✌
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