There is no collectove term - such as a pod of dolphins. The plural is dodecahedra though most people will use dodecahedrons.
Together with icosahedron (20 faces) they are known as the Platonic Solids.
Polygons ( means many sides). They are called solids or polyhedrons; they exist in three dimensions and not two.
Forests, is the collective term for groups of treed vegetation.
The collective term for a group of tortoises is a "creep."
No, the faces of a regular dodecahedron are pentagonal.No, the faces of a regular dodecahedron are pentagonal.No, the faces of a regular dodecahedron are pentagonal.No, the faces of a regular dodecahedron are pentagonal.
dodecahedron
A regular dodecahedron does not but it is possible to have a dodecahedron with some triangular faces.
A dodecahedron has 12 faces.
Geese is actually the collective term for goose.
Collective Term stands for a group of objects, people, or thing as a basic unit.
The collective term for a group of ferrets is a "a business of ferrets" or "a cast of ferrets".
The noun perianth is a collective term for all the petals and sepals.