Across
- 4. figure with no sides or vertices
- 7. polygon with 4 sides of equal length and 4 right angles
- 8. polygon with 4 sides and 4 right angles
- 9. polygon with 3 sides and vertices
Down
- 1. polygon with 4 sides and vertices
- 2. diamond-shaped polygon with 4 sides of equal length
- 3. 4-sided polygon with at least one pair of parallel sides
- 5. polygon with 6 sides and vertices
- 6. polygon with 8 sides and vertices