1. Parallel Lines and Planes Dallas City Hall I.M. Pei Parthenon Athens Havasu Falls I.M. Pei Lesson 3.3 Proving Lines //

2. Which lines (if any) are parallel? State the postulate or theorem that justifies your answer.

5. AIA

6. In each exercise some information is given. Use3 this information to name segments that must be parallel. If there are not segements, say so. AIA

7. In each exercise some information is given. Use3 this information to name segments that must be parallel. If there are not segements, say so. AIA

8. In each exercise some information is given. Use3 this information to name segments that must be parallel. If there are not segements, say so. None

9. In each exercise some information is given. Use3 this information to name segments that must be parallel. If there are not segements, say so. AIA

10. In each exercise some information is given. Use3 this information to name segments that must be parallel. If there are not segements, say so. None

11. In each exercise some information is given. Use3 this information to name segments that must be parallel. If there are not segements, say so. SSI

12. In each exercise some information is given. Use3 this information to name segments that must be parallel. If there are not segements, say so. SSI

13. C’est fini. Good day and good luck.