Across
- 3. only 3D shape without vertices
- 5. close to a cube
- 7. a ball has none of them
- 8. similar to a donut
- 11. similar to a pyramid
- 12. base of a tetrahedron
- 14. plural form of vertex
Down
- 1. a 3D shape with 20 faces
- 2. has 3 faces, 2 of them are circles
- 4. a cube has 6 of them
- 6. a 3D shape with 8 faces
- 9. approximately 3.14
- 10. another name for a 3D shape
- 11. has 6 same faces
- 13. located in Belgium
- 15. an empty ball