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February 28, 2015

February 28, 2015

Posted by **Marcia** on Wednesday, January 19, 2011 at 4:29pm.

- math -
**helper**, Wednesday, January 19, 2011 at 5:08pmSupplementary angles: two angles whose measures total 180 deg

x = 1st angle

3x - 4 = 2nd angle

x + 3x - 4 = 180

solve for x to find the angles

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