Across
- 2. quadrilateral with one set of parallel sides
- 6. quadrilateral with four congruent sides and four right angles
- 9. one ninety degree angle
- 11. six sided shape
- 12. nine sided shape
- 13. three acute angles
- 14. zero sides congruent
- 15. quadrilateral with four congruent sides and two sets of parallel sides
- 17. seven sided shape
- 19. equivalent angles
- 21. four sided shape
Down
- 1. ten sided shape
- 3. one obtuse angle
- 4. all side are congruent
- 5. five sided shape
- 7. quadrilateral with two sets of parallel sides
- 8. two sides are congruent
- 10. three sided shape
- 16. eight sided shape
- 18. a closed plane figure with three or more sides
- 20. quadrilateral with two pair of congruent sides and four right angels