Across
- 3. an angle less than 90 degrees
- 5. used to tell exact location in space.
- 6. each of the pairs of opposite angles made by two intersecting lines.
- 9. 90 degree angle
- 10. 180 degree angle
Down
- 1. a term without a formal definition
- 2. an angle bigger than 90 degrees
- 4. two adjacent angles that sum to 180
- 7. a line with an endpoint
- 8. infinte long object