Across
- 1. Squashed polygon with four sides, no right angles
- 3. No vertex
- 4. Eight sides
- 6. Ten sides
- 7. Five sides
- 9. Seven sides
- 10. Six vertices
Down
- 1. Four vertices, two short sides, two long sides
- 2. Four vertices, all equal sides
- 5. Nine vertices
- 8. Three sides