Question

Find the value of x in the given figure using properties of parallel lines.

Answer 1

42°

Explanation:

138° + x = 180°

180° - 138° = 42°

Answer 2

x =42

Explanation:

x and 138 are same side interior angles. Same side interior angles are supplementary when the lines are parallel

x+138 = 180

x = 180-138

x =42