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 (2x30). 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 + 2x30 = 180
Solve for x and then evaluate each angle's expression.