Across
- 2. any three sided shape
- 4. quadrilateral with all equal sides and four right angles
- 7. ten sided shape
- 9. triangle with one ninety degree angle
- 10. triangle with all three angles less than ninety degrees
- 12. six sided shape
- 14. distance around a shape
- 15. quadrilateral with exactly one pair of parallel sides
- 16. triangle with two equal sides
- 18. quadrilateral shape with four right angles
- 19. nine sided shape
- 20. triangle with one obtuse angle
Down
- 1. quadrilateral with two pairs of adjacent equal sides
- 3. quadrilateral with two sets of parallel sides
- 5. any four sided shape
- 6. five-sided shape
- 8. triangle with all three sides equal in length
- 11. quadrilateral with four equal sides
- 13. seven sided shape
- 17. triangle with no sides equal in length