Across
- 4. lines named with this many points
- 6. marks a location in space
- 7. 2 angles with a sum of 180 degrees
- 9. planes named with this many points
- 11. forms a right angle
Down
- 1. a construction tool
- 2. 2 angles with a sum of 90 degrees
- 3. the same distance
- 5. an angle measuring between 0 and 90 degrees
- 8. part of a line with 2 endpoints
- 10. infinitely long
- 12. part of a line with one endpoint