Across
- 2. Quadrilateral with opposite sides parallel
- 4. Twelve-sided polygon
- 8. Four-sided with opposite sides equal
- 11. Three-dimensional triangular base structure
- 13. Curved moon-like shape
- 16. Perfectly round 3D shape
- 17. Nine-sided polygon
- 18. Eight-sided polygon
- 20. Five-sided polygon
- 23. Three-sided polygon
- 24. Six-sided polygon
- 26. Four equal sides and angles
- 27. Three-dimensional square-shaped figure
- 28. Twenty-sided polyhedron
- 29. A "slice" of a circle
Down
- 1. Eleven-sided polygon
- 3. Ring-like shape with a hole in the middle
- 5. Round shape with no edges
- 6. Stretched-out circle
- 7. Pointed shape often with five or more points
- 9. Doughnut-shaped three-dimensional shape
- 10. Quadrilateral with two pairs of equal adjacent sides
- 12. Ten-sided polygon
- 13. Shape with circular bases and height
- 14. Three-dimensional shape tapering to a point
- 15. Seven-sided polygon
- 19. Quadrilateral with one pair of parallel sides
- 21. Symbolic love shape
- 22. Equilateral quadrilateral
- 25. Elongated circle