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January 26, 2015

January 26, 2015

Posted by **mansi** on Thursday, August 23, 2012 at 10:07am.

- math -
**Steve**, Thursday, August 23, 2012 at 10:22amsince C = 2piR

the ratio of circumferences is the same as the ratio of the radii.

That is, if we substitute kR for R, we get

2pi(kR) = k*2piR = kC

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