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Polyhedra
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Demonstrations 141  160 of 671
A OneParameter Family of Polyhedra with Two Kinds of Symmetries
Relations between Golden Rhombic Solids and Some Archimedean Solids
Ball of 30 Octahedra
Dissection of Two Stellated Dodecahedra
26Piece Dissection of a Cube
Dissection of a Concave Rhombic Triacontahedron
Dissection of a Cube to a Quarter of a Rhombic Dodecahedron of the Second Kind
Galactohedra
Rhombic 210hedron
Orthogonal Projection of a Solid of Constant Width
Fractal Tetrahedron in an Octahedron
Two Proofs that the Volume of the Regular Octahedron Is Four Times the Volume of the Regular Tetrahedron
80 Golden Rhombohedra
Symmetries of a Prism
Proposition 30, Book XI, Euclid's Elements
Proposition 29, Book XI, Euclid's Elements
Kaleidocycles
Intersection of a Convex Polyhedron and a Plane
Inverting the Rhombic Dodecahedron
Expanding Cube
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