Across
- 2. a flat shape with 9 sides
- 5. a triangle that is fit in a circle
- 8. a 3 sides polygon with 2 sides equal
- 11. a triangle center
- 12. a polygon with 3 sides
- 13. a flat shape with 10 sides
- 16. a regular 3 sides polygon
Down
- 1. a flat shape wit 12 sides
- 3. a 4 sides polygon
- 4. a circle that passes all the vertices of a polygon
- 6. the common center of mass
- 7. a flat sahpe with 7 sides
- 9. a 4 sides regular polygon
- 10. a flat shape with 6 sides
- 14. a flat shape with 8 sides
- 15. a flat shape with 5 sides