Across
- 3. the number of edges that meet in a vertex
- 5. the number of faces in an icosahedron
- 7. the number of vertices in an icosahedron
- 9. the festival of colors
- 10. the faces of the icosahedron are all ___________ triangles
Down
- 1. the number of edges in an icosahedron
- 2. an icosahedron is a ________ solid
- 4. the degree measures of each angle between edges in an icosahedron
- 6. the only line in the parts of icosahedron
- 8. icosahedron has the largest volume among all platonic solids for its surface area