Question

Find the measure of the missing angles.
с
105
b.

Answer 1

75 that’s is the missing angel

Answer 2

b = c = 75°

Explanation:

b and 105° are adjacent angles and sum to 180° , then

b + 105° = 180° ( subtract 105° from both sides )

b = 75°

b and c are vertically opposite angles and are congruent , so

c = b = 75°