Across
- 6. half of a sphere
- 7. prism three-sided prism
- 8. three-dimensional shape in geometry
- 10. a crystal structure
- 11. cylinder a cylinder that is empty from the inside
Down
- 1. a three-dimensional solid
- 2. a three-dimensional solid
- 3. prism prism with a pentagonal base
- 4. three-dimensional analogue to a two-dimensional circle
- 5. prism prism with hexagonal base
- 8. a convex polyhedron
- 9. pyramid three-dimensional 3D shape