Wolfram Demonstrations Project
Recreational Mathematics
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Demonstrations 621 - 640 of 878
Lindgren's Dissection of a Pentagram into a DecagonFolding and Unfolding Polyhedral NetsDissecting a Hexagram into Three HexagramsDissecting a Dodecagram into a TriangleDissecting a Decagram {10/4} into Two Decagons
Lindgren's Dissection of a Pentagram into a Decagon
Folding and Unfolding Polyhedral Nets
Dissecting a Hexagram into Three Hexagrams
Dissecting a Dodecagram into a Triangle
Dissecting a Decagram {10/4} into Two Decagons
Polyhedra with Prismatic SymmetryCubic Symmetry TypesSymmetric Decompositions of a Rhombic TriacontahedronProposition 7, Book XII, Euclid's ElementsTwo Polyhedra with D2 Symmetry
Polyhedra with Prismatic Symmetry
Cubic Symmetry Types
Symmetric Decompositions of a Rhombic Triacontahedron
Proposition 7, Book XII, Euclid's Elements
Two Polyhedra with D2 Symmetry
Dissecting an Octagon into Four Smaller OctagonsDissecting a Decagon into Two Pentagons and Two PentagramsTwo-Octagons-into-One Dissection in Two StepsFreese's Two-Octagons-into-One DissectionFermat's Magic Cube
Dissecting an Octagon into Four Smaller Octagons
Dissecting a Decagon into Two Pentagons and Two Pentagrams
Two-Octagons-into-One Dissection in Two Steps
Freese's Two-Octagons-into-One Dissection
Fermat's Magic Cube
Dissection of a Cube into Five SolidsProposition 3, Book XII, Euclid's ElementsMagic Cube of Order 5The 26-Sided Unilluminable RoomLoculus of Archimedes
Dissection of a Cube into Five Solids
Proposition 3, Book XII, Euclid's Elements
Magic Cube of Order 5
The 26-Sided Unilluminable Room
Loculus of Archimedes

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