1. Angles on Parallel Lines

2. Angles on a straight line add up to 180o

3. Angles on a straight line add up to 180o

4. Vertically opposite angles are equal

5. Transversal Parallel Lines

6. Transversal Parallel Lines

7. Cointerior angles add up to 180o and form a C shape

8. Cointerior angles add up to 180o and form a C shape

9. Corresponding angles are EQUAL and hang off an F shape

10. Corresponding angles are EQUAL and hang off an F shape

11. Corresponding angles are EQUAL and hang off an F shape

12. Corresponding angles are EQUAL and hang off an F shape

13. Alternate angles are EQUAL and form a Z shape

14. Alternate angles are EQUAL and form a Z shape