A dodecahedron has 12 regular pentagonal faces, 20 vertices, and 30 edges. Three faces meet at each vertex.
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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.