Contains
- regular polyhedron
Any one of five solids whose faces are congruent regular polygons and whose polyhedral...
- prism
A polyhedron with two congruent and parallel faces (the bases) and whose lateral faces are...
- prismatoid
A polyhedron whose vertices all lie in one or the other of two parallel planes; the faces...
- hexahedron
Any polyhedron having six plane faces.
- concave polyhedron
A polyhedron some of whose plane sections are concave polygons.
- convex polyhedron
A polyhedron any plane section of which is a convex polygon.
- trapezohedron
A polyhedron whose faces are trapeziums.
- pyramid
A polyhedron having a polygonal base and triangular sides with a common vertex.
- pentahedron
Any polyhedron having five plane faces.
- tetrahedron
Any polyhedron having four plane faces.
- decahedron
Any polyhedron having ten plane faces.
- octahedron
Any polyhedron having eight plane faces.
- icosahedron
Any polyhedron having twenty plane faces.
- dodecahedron
Any polyhedron having twelve plane faces.