Question 827666


Angle A is (x+10) Angle Angle B is (2x) Angle C is (2x-30) What is the measure in degrees of angle B?

The three angles total 180 degrees.
 (x+10) + (2x) + (2x-30) = 180
 5x - 20 =180
add 20 to each side
 5x = 200
divide each side by 5
  x = 40
Since B = 2x, B = 80