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September 17, 2014

September 17, 2014

Posted by **Lauren** on Sunday, May 17, 2009 at 12:01am.

- geometry -
**drwls**, Sunday, May 17, 2009 at 2:02amThe sum of the exterior angles of a polygon is 360. So, divide 360 by 12.

- geometry -
**Kathy**, Wednesday, April 13, 2011 at 12:53pmDivide 360 by the number of sides. So 360/12 so ur exterior angle is 30

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