Concurrency


Three Concurrent Lines of Icosahedron

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Concurrencies of Diagonals of Dodecahedron

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Concurrencies of Diagonals of Icosahedron

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Five Concurrent Lines of Dodecahedron

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Four Mutually Tangent Disks

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Polyhedron Whose Vertices are Inverted into Regular Dodecahedron

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Reye's Configuration