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August 20, 2014

August 20, 2014

Posted by **jim** on Thursday, November 25, 2010 at 2:24pm.

- math -
**Henry**, Thursday, November 25, 2010 at 10:17pmA + B + C = 180 Deg.

11x + (3x + 4) + (x - 4) = 180,

15x = 180,

x = 180 / 15 = 12.

A = 11X = 11 * 12 = 132.

B = (3X + 4) = 36 + 4 = 40.

C = (X - 4) = 12 - 4 = 8.

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