Across
- 4. two adjacent, supplementary angles
- 5. two angles that add to 180 degrees
- 6. represented by a dot
- 8. points that lie on the same plane
- 10. one angle that is between 90 and 180 degrees
- 12. a measurable part of a line with two endpoints
- 13. the space between two connected rays
- 14. cutting an object in half
- 15. one angle that is exactly 90 degrees
- 16. two lines that never intersect
- 18. the common endpoint on an angle
Down
- 1. points that lie on the same line
- 2. equal measurement
- 3. two lines that intersect at a right angle
- 7. two angles that add to 90 degrees
- 9. one angle that is less than 90 degrees
- 11. congruent angles across from each other
- 15. a line that goes on forever in one direction
- 16. a flat surface that extends in all directions
- 17. made of points that extend forever in both directions