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 Dodecahedron:  A regular polyhedron whose twelve faces are congruent regular pentagons.

Faces, Vertices, and Edges: Find a relationship between the number of edges, faces, and vertices in three-dimensional objects.

Octahedron in a Cube: Determine the probability that a point lies in a particular area.

Creating a Polyhedron: Determine the properties of Polyhedra.