Across
- 4. a vehicle with two wheels
- 6. not tied
- 7. not valid
- 8. not regular
- 9. for quarters of a circle
- 12. not possible
- 13. a point in a number
- 14. a three sided shape
- 15. a eight sided shape
Down
- 1. a horse with one horn
- 2. not understood
- 3. Headquarters for the U.S. Department of Defense
- 5. one hundred years
- 10. not close
- 11. something against the law