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October 24, 2014

October 24, 2014

Posted by **sadf** on Wednesday, November 10, 2010 at 5:16pm.

- Math -
**Henry**, Thursday, November 11, 2010 at 6:02pmA = 2X, B = X, C = (X + 40).

A + B + C = 180 deg.

2x + x + (x + 40) = 180,

4x + 40 = 180,

4x = 180 - 40,

4x = 140,

x = B = 140 / 4 = 35 deg.

2X = A = 2*35 = 70 deg.

(x + 40) = C = 35 + 40 = 75 deg = Largest angle.

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