Across
- 5. something that two lines create when crossing eachother
- 6. mathematical fact that requires proof
- 7. verticle lines from base to peak
- 9. stuck in the middle of it all
- 11. 45+45 degree intersection
- 12. negation of a statement
- 14. having the same shape and size
- 16. quarter of a turn in degrees
- 17. partners summing up to 180 degrees
- 21. equidistant and never meeting
Down
- 1. perfectly equal polygon with three sides
- 2. right triangle secret formula
- 3. quad with uneven parallels
- 4. angle less than right but more than none
- 8. of depression downward angle of sadness
- 10. reverse statement in logic
- 13. distance of a cul-de-sac
- 15. octopus polygon
- 18. a possum
- 19. total edge measures of a polygon
- 20. Straight one-dimensional figure extending in both directions