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Geometry
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Demonstrations 121  140 of 3019
Lindgren's Symmetrical Decompositions of Regular 2nGons
All 11 Folding Nets of the Regular Octahedron
All 11 Folding Nets of the Cube
Four General Unfoldings of a Cube
Frederickson's Dissection of an Octagon to Five Octagons
Rhombus Puzzle to Create Logos for Tokyo 2020 Olympic and Paralympic Games
Proposals for the Ceremony Platform for the Tokyo 2020 Olympic Games
Multiple Reflections of a Regular Polygon in Its Sides
Nets for the Császár Polyhedra
Transformation of Icosahedral Solids in Z15
Golden Lines in an Equilateral Triangle
Olympic Logos Based on Hanegraaf's Dissection of a Dodecagon to Five Dodecagons
Another Hinged Dissection of One Pentagon to Five Pentagons
Logos Based on a Dissection of One Pentagon to Five Pentagons
The Golden Ratio in Arrangements of an Icosahedron, Tetrahedron, and Octahedron
Freese's Dissection of Four Equilateral Triangles into One
Launching a Projectile on a Sloped Surface
Four Interwoven Triangles
From the Tether Problem to the Involute of a Circle
The Golden Ratio in Arrangements of Octahedron, Cube, Tetrahedron, and Sphere
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