Across
- 1. Part of a line with one endpoint
- 6. A tool for measuring angles
- 8. A line exactly 90 degrees to another
- 9. An angle between 90 and 180 degrees
Down
- 2. An angle less than 90 degrees
- 3. An angle greater than 180 degrees
- 4. A three-sided polygon
- 5. Two lines that are always the same distance apart
- 7. An angle of exactly 90 degrees