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.
Forests, is the collective term for groups of treed vegetation.
The collective term for a group of tortoises is a "creep."
Polygons ( means many sides). They are called solids or polyhedrons; they exist in three dimensions and not two.
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.
Geese is actually the collective term for goose.
Collective Term stands for a group of objects, people, or thing as a basic unit.
The noun perianth is a collective term for all the petals and sepals.
The collective term for a group of ferrets is a "a business of ferrets" or "a cast of ferrets".
dodecahedron
A regular dodecahedron does not but it is possible to have a dodecahedron with some triangular faces.
The collective term for caterpillars is an army of caterpillars.