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Recreational Mathematics
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Demonstrations 621  640 of 893
Octahedral Vase
Sydler's Dissection of a Pyramid into a Prism
Dissecting the Triangular Hebesphenorotunda (Johnson Solid 92)
Two Ways of Folding a Sphinx into a Triangular Dipyramid
Decomposing a Rhombic Solid into a Truncated Octahedron
Bed of Nails
Dissecting a Rhombic Dodecahedron into an Octahedron and Two Tetrahedra
Dissecting a Rhombic Dodecahedron into Two Cubes
Decomposing a Cuboctahedron into Three Rhombic Dodecahedra and Two Tetrahedra
Dissection of Four Rhombic Dodecahedra into a Truncated Tetrahedron and a Tetrahedron
Dissecting an Ngram into Two Smaller Ngrams
Lindgren's Dissection of an Octagram into an Octagon
Lindgren's Dissection of One Octagram {8/3} into Two
Lindgren's Dissection of One Octagram into Two
Lindgren's Dissection of One Decagram {10/3} into Two Pentagrams {5/2}
Dissecting a Dodecagram into Two Hexagrams
Dissecting a Dodecagram {12/2} into a Hexagram {6/2}
Three Polyhedra with Rectangular Nets
Lindgren's Dissection of a Pentagram into a Decagon
Folding and Unfolding Polyhedral Nets
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