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October 20, 2014

October 20, 2014

Posted by **esther** on Thursday, December 16, 2010 at 12:15am.

- algebra 1 -
**Reiny**, Thursday, December 16, 2010 at 12:30amlet angle A = x

then angle B = 4x

and angle C = 5x-17

solve:

x + 4x + 5x - 17 = 180

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