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September 18, 2014

September 18, 2014

Posted by **dave** on Wednesday, January 12, 2011 at 12:07pm.

- Math -
**helper**, Wednesday, January 12, 2011 at 12:20pmSum of measures of interior angles of a polygon of n sides = ( n - 2 )*180 deg

n = 11

(11 - 2)* 180 = ?

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