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December 21, 2014

December 21, 2014

Posted by **Kalkidan** on Thursday, March 8, 2012 at 11:49am.

- geometry -
**Steve**, Thursday, March 8, 2012 at 3:18pmdivide the n-gon into n triangles. Because the n-gon is regular, all the triangles are congruent. Thus, there are n equal angles which add up to 360°. So, each central angle is 360/n.

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