There are only 5 regular polyhedra: those with 4, 6, 8, 12 and 20 faces. If you know of 7 polyhedra there may be a Fields Medal (the Nobel prize for mathematicians) for you!
Chat with our AI personalities
dodecahedron
They are regular polyhedra.
Prisms, regular polyhedra.
dodecahedron
Regular polyhedra have identical faces.