Across
- 4. polygon with 5 sides
- 5. adds up to 90 degrees
- 6. lying in the same plane
- 8. a part of a line wuth one endpoint
- 10. shape with 4 sides
- 13. a shape with 3 sides
- 15. a shape with 6 sides
- 18. angle less the 90 degrees
- 19. the length of a straight line through the center of a circle
Down
- 1. a type of line that has 2 endpoints
- 2. a set of points that make a rounded shape
- 3. when lines cross over one another
- 5. They are equal
- 7. adds up to 180 degrees
- 9. always the same length apart and never touch
- 11. a 90 degree angle
- 12. a statement that can be proved
- 14. a parrallogram with 4 equal sides
- 16. the total surface area inside
- 17. a point of which a ray and angle meet