Question

Find the value of X. I can't figure out what to do when one is at a right angle.

Answer 1

x = 20

Explanation:

Two lines are parallel. So, alternate interior angles are congruent.

x +8 + 6x - 58 = 90

7x - 50 = 90

7x = 90 +50

7x = 140

x = 140/7

x = 20