Across
- 5. Two angles whose measures add up to 180 degrees
- 6. When line crosses
- 8. Two non-adjacent angles formed by two intersecting lines
- 10. Angle that measures more than 90 degrees
- 14. Formed by two rays that share a common endpoint
- 15. Triangle with no congruent sides or angles
- 16. Angles that share a common side and a vertex
- 17. Equal
- 18. Triangle with three congruent sides and three congruent angles.
- 19. Polygon with three sides and three angles
- 20. Angles that measure exactly 90 degrees
Down
- 1. Line that intersects two or more lines in the same plane.
- 2. Angle that measures less than 90 degrees
- 3. Polgon with four sides and four angles
- 4. Common endpoint
- 7. Lines in the same plane that never meet
- 9. Two angles whose measures add up to 90 degrees
- 11. Angle that measures exactly 180 degrees
- 12. Lines that meet to form 90 degrees angles
- 13. Triangle with at least two congruent sides and two congruent angles