Answer:
1. corresponding angles
2. alternate exterior
3. corresponding
4. consecutive interior
5. alternate interior
6. alternate exterior
7. alternate interior
8. alternate angles
9. corresponding angles
10. alternate angles
11. 110
12. 84
13. 80
14. 111
15. 125
16. 47
17. 127
18.67
19. x=4
20.x=7
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