Across
- 3. Angle bisector
- 6. Reflection
- 8. Linear pair
- 12. Obtuse angle
- 13. Symmetry
- 14. right angle
- 15. Acute angle
- 16. Point
- 17. Consecutive interior angles
- 18. Adjacent angles
- 19. Perpendicular lines
- 20. Supplementary angles
Down
- 1. Parallel lines
- 2. Complementary angles
- 4. line segment
- 5. Alternate interior angles
- 7. Alternate exterior angles
- 9. Transversal
- 10. vertical angles
- 11. Corresponding angles
