Across
- 2. Faces+vertices=____+2
- 7. a solid whose angles are less than a straight angle
- 8. a solid figure with many plane faces
- 9. a solid figure with 4 vertices
- 10. A polygon whose lateral faces are triangles
Down
- 1. a polyhedron made up of 4 triangles
- 3. A prism having 30 edges
- 4. Also known as a rectangular prism
- 5. a solid figure with no edges and vertices
- 6. A 3D shape with no flat faces