Question

(05.02) Find the measure of angle x in the figure below:

55
45
80
55
100

Answer 1

Answer: x = 70

Explanation:

Sum of angles in a triangle is 180

55 + 45 + y = 180

110 + y = 180

(110 - 110) + y = (180 - 110)

y = 70

Vertical angles are congruent so y = x

x = 70