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5 votes
Given: parallel lines are crossed by a transversal line.

What is the value of x?

80°
90°
100°
180°

Given: parallel lines are crossed by a transversal line. What is the value of x? 80° 90° 100° 180°-example-1

2 Answers

3 votes
x+100=180,
then x=80
User Sectechguy
by
6.5k points
4 votes
The answer is 80°

As, 100°+x = 180° [being co-interior angles] Or, x = 180° - 100°
then, x = 80°
User Kamga Simo Junior
by
5.8k points