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Solid Geometry
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Demonstrations 21  40 of 439
Volume of the Regular Tetrahedron and Regular Octahedron
How FivePetal Flowers Grow on a Rhombic Triacontahedron to Become a Rhombic Hexecontahedron
Filling a Regular Icosahedron with Infinitely Many Golden Octahedra
Framing a Rhombic Dodecahedron with Regular Octahedra
Cubic Symmetry Types
SixPiece Dissection of a Tetrahedron into Its Mirror Image
Snub Tetrahedron
Volume of a Cylindrical Hoof
Dehn Invariant of Some Disjoint Unions of Polyhedra with Icosahedral Symmetry
The Volume of the Regular Octahedron Is Four Times the Volume of the Regular Tetrahedron
Coloring Polyhedra with Four Colors
Dehn Invariant of Some Disjoint Unions of Polyhedra with Octahedral Symmetry
Universal Cork
Rubik's Snake Puzzle
A Collection of 138 Nonconvex Rhombic Polyhedra
Two Polyhedral Approximations of an Oloid
Five Toroidal Polyhedra and Their Nets
Inverting the Truncated Octahedron
Dissecting a Truncated Octahedron to a Rectangular Solid
Zonotope Construction via Shephard's Theorem
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