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5 votes
Question is in the screenshot...

Question is in the screenshot...-example-1

2 Answers

6 votes

Explanation:

m L 1 = 130° (alternate interior angles)

m L 2 = 180°- m L 1 (supplementary)

= 180° - 130° = 50°

User Floris
by
3.8k points
2 votes

Vertical angles are supplementary

m<2

  • 180-130
  • 50°

m<1

  • 180-50
  • 130°
User Lehnerchristian
by
3.9k points