Across
- 3. Over 90 degrees but less than 180
- 9. Less than 90 degrees
- 10. Lines that never meet
- 11. An triangle which its greatest angle is greater than 90 degrees
- 13. Angles on the inside of a traversal/polygon
- 15. 2 opposing angles on a traversal
- 17. When 2 lines met at 90 degrees
- 18. Parallel lines having a line through them
- 19. 180 degrees
- 20. A triangle with 2 sides the same
- 21. 90 degrees
Down
- 1. When both angles add to 180
- 2. Same angle but different places
- 4. When two lines intersect they form two pairs of _______ angles
- 5. When both angles add to 90
- 6. When 2 line segments
- 7. A triangle
- 8. An triangle which its greatest angle is equal to 90 degrees
- 9. An triangle which its greatest angle is less than 90 degrees
- 12. A triangle with all sides the same
- 14. When 2 line cross
- 16. When a line moves both vertical and horizontal