Across
- 5. The study of earth's measurements
- 6. measures more than 90 and less than 180
- 7. the amount of turn between two straight lines
- 8. lines that run from north to south
- 12. A set of points that run infinitely in one direction
- 13. a flat surface
Down
- 1. measures exactly 180degrees
- 2. a portion of a line
- 3. measures exactly 90degrees
- 4. Runs from east to west
- 9. runs in one direction
- 10. measures less than 90 degrees
- 11. a location on a plane