Across
- 2. if a=b, then in a + 4 = c, b + 4 = c
- 5. if a=b, then b=a
- 6. exactly 180 degrees
- 8. lines that never touch
- 10. if a=b and b=c, then a=c
- 13. a set of points
- 14. a set of all points
- 17. points on the same plane
- 18. distance between two points
- 19. where two angles meet
Down
- 1. exactly 90 degrees
- 3. points not on the same line
- 4. more than 90 degrees
- 7. a=a
- 9. less than 90 degrees
- 11. "meets" or "cuts"
- 12. half way between two points
- 15. points on the same line
- 16. lines that meet at a 90 degree angle