A decahedron is a closed 3-D shape with ten polygonal faces. There are 32,300 topologically different decahdra and, since none of these are regular, the term is ambiguous. Some simple decahedra have names, such as:
Chat with our AI personalities
decahedron
decahedron
Decahedron.Decahedron.Decahedron.Decahedron.
A decahedron has no cornets.
A decahedron has ten faces.