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December 21, 2014

December 21, 2014

Posted by **chelsea** on Wednesday, February 10, 2010 at 10:49am.

- geometry -
**Reiny**, Wednesday, February 10, 2010 at 12:36pmThe sum of the interior angles of a pentagon is 180(5-2) = 540º

so

4x + 5x + 3x + 8x + 7x = 540

solve for x and sub into 3x

- Pre-Ap Geometry -
**SAFA GREAT!**, Wednesday, February 22, 2012 at 8:21pm60

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