Posted by **logan** on Thursday, August 16, 2007 at 6:06pm.

i need someone to explain to me how i got this answer...i know the answer but i need an explanation to the problem...

C=2pi(r)

the answer is r=C/2pi...i need someone to explain it to me..thank you

C = 2pi(r)

Divide both sides by 2pi

C/2pi = r ----> r = C/2pi

________________________________

Hope this helps!!

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