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Demonstrations 21 - 40 of 145
Matrix Addition and Subtraction
Plot a Quadratic Inequality
Insphere and Four Exspheres of a Tetrahedron
Permutations, k-Permutations and Combinations
Cone, Tent, and Cylinder
Chains of Regular Polygons and Polyhedra
Rotational Symmetries of Platonic Solids
Duals by Rotating the Edges of Polyhedra
Combining Two 3D Rotations
Passing a Cube through a Cube of the Same Size
0/1-Polytopes 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 Four-Runner Problem
Iteratively Reflecting a Point in the Sides of a Triangle
Wythoff's Icosahedral Kaleidoscope
Blood Spatter Trigonometry
Cross Ratios in the Complex Plane
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