a dodecahedron has 20 vertices and 12 faces
No, a dodecahedron doesn't have perpendicular faces
A dodecahedron has 20 corners/vertices, 30 edges and 12 faces.
A spherical polyhedron is a dodecahedron with 12 faces
A polyhedron with 12 faces.
A dodecahedron has 0 parallel faces
Every dodecahedron - not just an average one, has 12 faces. It can have as few as 8 vertices.
12 faces
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.
There are at least three faces at a vertex of a dodecahedron, and at most eleven.
If you mean a dodecahedron then it has 12 faces, 30 edges and 20 vertices
a dodecahedron has 20 vertices and 12 faces
A dodecahedron need not have any triangular faces.
12
When you say "sides", do you mean faces or edges? A dodecahedron has 12 faces and 30 edges.
A regular dodecahedron does not but it is possible to have a dodecahedron with some triangular faces.
No, a dodecahedron doesn't have perpendicular faces