Polyhedra

6. a solid figure with many plane faces.
10. a polyhedron having 12 faces.
12. a solid that has long straight sides and circular ends of equal size
13. a surface or solid figure generated by the straight lines which pass from a circle to a single point (the vertex)
15. (verb) to replace an edge or corner of a polyhedron by a plane
16. the outside limit of an object, area, or surface.

1. a polyhedron having 6 faces.
2. a polyhedron having 4 faces.
3. a symmetrical three-dimensional shape contained by six equal squares.
4. a polyhedron of which one face is a polygon of any number of sides, and the other faces are triangles with a common vertex.
5. a polyhedron having 20 faces.
6. a plane figure with at least three straight sides and angles.
7. a round solid figure with every point on its surface equidistant from its centre.
8. each of the surfaces of a solid.
9. a solid geometric figure whose two ends are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
11. a polyhedron having 8 faces.
14. each angular point of a polygon, polyhedron, or other figure.