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George Beck
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Demonstrations 41  60 of 145
Inverting a Point in the Osculating Circles of a Curve
Differences of the Union of Two Arithmetic Progressions and Christoffel Paths
A Path through the Lattice Points in a Quadrant
Triangulating Random and Regular Polygons
Set Partitions Match Restricted Growth Functions
Rolling a Cube on a Chessboard
Cylinder Area Paradox
Haberdasher's Problem
Dandelin Spheres for an Ellipse
Reflecting a Regular Polygon across Its Sides in the Hyperbolic Plane
How to Avoid a Collision
Rubik's Cube Mechanism
Graphs from ZeroOne Matrices
Among Six People, Either Three Know Each Other or Three Are Strangers to Each Other
Simple Inequalities in the Unit Cube
Sine, Cosine, and Tangent Using Ratios of Sides of a RightAngled Triangle
Graphing Continued Fractions of Quadratic Irrationals
Grating 3D
Color Mixing
Cone of Pythagorean Triplets
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