Across
- 2. shape with three sides
- 5. expands in opposite directions endlessly
- 6. points that lie on the same plane
- 8. a line with a start and no end
- 12. points on the same line
- 15. lines that form four 90 degrees angles
- 17. equal
- 18. a shape with four sides
- 19. the middle of a circle
- 20. continuous portion of a circle
Down
- 1. the class you just took
- 3. two lines that never touch
- 4. set of points which has infinite length
- 7. an angle bigger than 90 degrees
- 9. a ray that divides an angle
- 10. a shape with no sides
- 11. angle smaller than 90 degrees
- 13. shape with 4 equal sides
- 14. the middle of a line
- 16. a line with a beginning and end