Homework Help: geometry

Posted by betty on Monday, November 28, 2011 at 8:10pm.

There is a triangle with angle a (x+10), and angle b is (2x), and angle c is (2x-30). What is the measure in degrees of angle B

geometry - Steve, Monday, November 28, 2011 at 11:49pm
Add up the angles. The total is 180 degrees.

x+10 + 2x + 2x-30 = 180

Solve for x and then evaluate each angle's expression.

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