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George Beck
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Demonstrations 1  20 of 133
Chains of Regular Polygons and Polyhedra
Rotational Symmetries of Platonic Solids
Rotational Symmetries of Colored Platonic Solids
Duals by Rotating the Edges of Polyhedra
Combining Two 3D Rotations
Passing a Cube through a Cube of the Same Size
0/1Polytopes in 3D
The Path of a Ray on a Cube
Applications of Lanchester's Square Law
Eulerian Numbers versus Stirling Numbers of the First Kind
Multiple Reflections of a Regular Polygon in Its Sides
The FourRunner Problem
Iteratively Reflecting a Point in the Sides of a Triangle
Wythoff's Icosahedral Kaleidoscope
Blood Spatter Trigonometry
Insphere and Four Exspheres of a Tetrahedron
Cross Ratios in the Complex Plane
Inverting a Point in the Osculating Circles of a Curve
Differences of the Union of Two Arithmetic Progressions and Christoffel Paths
Vertex and Edge Truncations of the Platonic Solids
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