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Challenge
Icosahedron:
A regular polyhedron whose twenty faces are congruent equilateral triangles.
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.