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Scrat [10]
3 years ago
14

The circumstance of a circle is represented by 2 pie r. If the radius of the circle is double, then the circumference is

Mathematics
1 answer:
yarga [219]3 years ago
7 0

The circumference of the circle is given by C = 2 π r

If the radius of the circle is doubled, then new radius will be r' = 2r.

And new circumference will be C' = 2·π·(2r) = 2·(2 π r) = 2·C

It is clearly visible that new circumference is twice the original circumference i.e. C' = 4 π r

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