Question

What is the measure of angle B in the triangle?

Answer 1

180 = 120 + (x + 6) + x
180 = 126 + 2x
54 = 2x

x = 27

Answer 2

As the sum of all the angles in a triangle is equal to 180° so,
120 + (x + 16) + x = 180
136 + 2x = 180
2x = 180 - 136
2x = 44
x = 22.
So, x = m∠B = 22°