Pentagonal bipyramid
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Triangular bipyramid
Square pyramidal number
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List of polygons, polyhedra and polytopes
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5-cell
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Solid geometry
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600-cell
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Deltahedron
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Projective linear group
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Regular polyhedron
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List of mathematical shapes
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Hexahedron
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Equilateral triangle
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Primary color
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Johnson solid
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Bipyramid
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Convex uniform honeycomb
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Triangular Dipyramid
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