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December 20, 2014

December 20, 2014

Posted by **Anonymous** on Tuesday, August 31, 2010 at 11:34pm.

- math geometry -
**PsyDAG**, Wednesday, September 1, 2010 at 10:59amLet x = first angle, the 4x = second angle and 4x + 78 = third angle. For a triangle, they should add up to 180º. Solve for x.

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