Across
- 3. half of the diameter
- 4. having an outline that curves inward
- 6. length from one point to another
- 9. quadrilateral with one pair of parallel sides
- 12. quadrilateral with equal angles and sides
- 15. having an outline that curves outward
- 16. difference in y value
- 17. polygon that is both equilateral and equal angular.
- 19. quadrilateral with 2 pairs of congruent sides
Down
- 1. a unit of angle measure
- 2. a triangle with at least two congruent sides
- 5. a common endpoint
- 7. a measure of the steepness of a line
- 8. points that lie on the same plane
- 10. slanted straight line
- 11. difference in x value
- 13. quadrilateral with four right angles
- 14. a point at the end of a ray
- 16. quadrilateral with four congruent sides
- 18. length of the altitude