Question

Find the measure of the missing angle in this triangle.

Answer 1

b = 25°

Explanation:

the sum of the 3 angles in a triangle = 180° , that is

b + 110° + 45° = 180°

b + 155° = 180° ( subtract 155° from both sides )

b = 25°

Answer 2

180-110-45= 25 degrees