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Mathematics 10 Online
OpenStudy (anonymous):

what is formula of cimcuference of a circle

OpenStudy (diyadiya):

\[Circumference=2*\pi*r\]

OpenStudy (anonymous):

good answer

OpenStudy (anonymous):

It's not just a good answer. It's the only answer.

OpenStudy (anonymous):

Someone, is getting more medals from just irrelevant comments than actual answer :D

OpenStudy (anonymous):

circumference of circle =\[2\times(radius)\times \pi\]

OpenStudy (anonymous):

I certainly am :-D

OpenStudy (anonymous):

Medal Count: 334. Medals from actual answers: 19. :-P

OpenStudy (anonymous):

2 * pi * r

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