| Answer | Crossword Clue |
|---|---|
| icosahedron | a polyhedron having 20 faces |
| icosahedrons | ICOSAHEDRON, a polyhedron having 20 faces |
| icosahedra | ICOSAHEDRON, a polyhedron having 20 faces |
| icosahedron | solid figure having 20 faces |
| tetrahedron | a polyhedron that has four faces |
| tetrahedrons | TETRAHEDRON, a polyhedron that has four faces |
| tetrahedra | TETRAHEDRON, a polyhedron that has four faces |
| pyramid | A polyhedron of which one face is a polygon of any number of sides, and the other faces are triangles with a common vertex |
| pyramids | A polyhedron of which one face is a polygon of any number of sides, and the other faces are triangles with a common vertex |
