Question

Find the measure of the angle, PLEASE I NEED HELP-

I have a test review today, please can someone help me and show explanation.

Answer 1

Answer: A.82

have: x + 105 + x + 89 = 180

⇔ 2x + 194 = 180

⇔ 2x = 180 - 194 = -14

⇔ x = -14/2 = -7

=> the measure of the angle is -7 + 89 = 82

Explanation: