An icosahedron is a three-dimensional polygon made up of triangular faces. It has a total of 20 identical faces. It also has 30 edges and 12 vertices.

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An icosahedron is a type of polyhedron that has twenty triangular faces. Each side of the icosahedron is identical, and it creates a total of thirty edges.

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In geometry, an icosahedron ( or ) is a polyhedron with 20 triangular faces, 30 edges and 12 vertices. A regular icosahedron with identical equilateral faces is often meant because of its geometrical...

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