Across
- 3. KL+LM=KM example of this postulate
- 7. tool to measure angles
- 10. Property states angle congruent to itself
- 11. point in middle of line
- 15. last part of proof
- 17. Property stating 2 angles congruent to a third
- 19. Number of different type proofs
- 20. same plane
- 22. first part proof
Down
- 1. Angles that same measure
- 2. _____-chart proof
- 4. line segment has ____ endpoints
- 5. divide into congruent parts
- 6. _____ pair make up line
- 8. How many angles make up linear pair
- 9. Same line
- 12. lines are _____ in both directions
- 13. Two-______ proof
- 14. ray has ____ endpoints
- 16. Angles opposite each other
- 18. _____ reasoning
- 21. Next to each other