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December 22, 2014

December 22, 2014

Posted by **Ruth** on Friday, September 13, 2013 at 11:34pm.

- Algebra -
**Graham**, Saturday, September 14, 2013 at 5:29amThe sum of interior angles in a triangle add up to 180°.

A regular 5 sided polygon can be divided into three triangles.

So the sum of its interior angles is three times that.

There are five interior angles. Thus when the polygon is regular, each interior angle is ____

- Algebra -
**Ruth**, Saturday, September 14, 2013 at 9:51amThat would be 540, correct

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