1. Prove Lines are Parallel
3.3

2. In this section… Essential Question: How do you prove lines parallel?
M11.B.2.1, M11.C.1.2, M11.D.2.1
We will be using what we know about corresponding angles, alternate interior, alternate exterior, and consecutive interior angles to prove that two lines are congruent.

4. Are the lines parallel?

5. Are these lines parallel?

6. What value for x would make these lines parallel?

7. What value for x will make the lines parallel?

9. Are these parallel?

10. What value for x would make the lines parallel?

12. Are the lines parallel?

13. What value for x would make the lines parallel?

15. What value for x would make these lines parallel?

18. Worksheet