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December 20, 2014

December 20, 2014

Posted by **Shelby** on Friday, September 7, 2012 at 2:58pm.

- Geometry -
**Steve**, Friday, September 7, 2012 at 3:46pmsince A+B+C=180

(5x+3)+(8x-2)+(5x-1) = 180

18x = 180

x = 10

A,B,C are 53,78,49

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