Across
- 2. polygon with eight sides
- 4. has four sides
- 7. a quadrilateral with only one pair of parallel sides
- 9. All cats are mammals and a tiger is a cat, so a tiger is a mammal.
- 11. same shape and size
- 15. Two of these are always supplementary to eachother
- 16. •
- 17. •—-•
- 18. triangle with no equal sides
- 20. a^2+b^2=c^2
- 21. <——>
Down
- 1. q -> p
- 2. \__
- 3. My bus has always been late on Tuesdays. Today is Tuesday, so my bus will be late.
- 5. /_
- 6. If it is raining, then the ground is wet.
- 8. ~q -> ~p
- 10. l*w
- 12. •—>
- 13. 2(l+w)
- 14. perimeter of a circle
- 19. ~p -> ~q