Across
- 3. four regions of the coordinate plane
- 8. a closed figure
- 9. points that lie in the same plane
- 12. a ray that divides two congruent angles
- 13. where the two axes intersect
- 14. common endpoint of two rays
- 15. line or plane that intersects a segment at its midpoint
- 16. the second number in the ordered pair
Down
- 1. the first number in the ordered pair
- 2. halfway point between the endpoints
- 4. measure of the amount of space enclosed by a solid figure
- 5. same shape and size
- 6. formed by two noncollinear rays
- 7. distance around a figure
- 9. points that lie on the same line
- 10. one endpoint and one arrow
- 11. lines, segments, or rays that form a right angle
- 17. a set of #'s used to locate any point