Across
- 4. into the third dimension
- 8. how far from one end to the other
- 9. point of origin
- 11. no space taken
- 12. on the same line
- 13. infinitely along
Down
- 1. halfway there
- 2. part of a line
- 3. no touchy in the same plane
- 4. not crossing not parallel
- 5. where the segment stops (or begins)
- 6. all the way both ways
- 7. makin' a "T"
- 10. from point to infinity
- 12. on the (same) level