find the circumference of a circle whose diameter is 21 CM
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Answered by
4
2*22\7 *21/2=
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hello!
#ur Ans
__________
we know that
circumference = 2πr
Given that
diameter = 21
so radius = 21/2
now
circumference = 2 *22/7*21/2
= 44*21/7*2
= 22*3
= 66cm Ans
☺:-)✌
#ur Ans
__________
we know that
circumference = 2πr
Given that
diameter = 21
so radius = 21/2
now
circumference = 2 *22/7*21/2
= 44*21/7*2
= 22*3
= 66cm Ans
☺:-)✌
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atul103:
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21 cm
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