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Demonstrations 61 - 80 of 436
The Insphere and Circumsphere of a Tetrahedron
Twenty Tetrahedra in Icosahedral Cluster
Three Pyramids That Form a Cube
Proposition 7, Book XII, Euclid's Elements
Space Filling with a Rhombic Dodecahedron of the Second Kind
Infinitesimally Flexible Octahedron
Volume and Surface Area of the Menger Sponge
Icosahedral Rotational Symmetry Types
Octahedral Rotational Symmetry Types
Volume and Surface Area of the Intersection of Two Spheres
Constructing the Radius of a Ball
House-Like Solids from Kindergarten Blocks
Dissecting a Rhombic Dodecahedron of the Second Kind to Half a Cube
Theobald's Dissection of the Net of a Cube to the Net of a Regular Tetrahedron
Intersection of a Cone and a Sphere
3D Coordinate System Transformations
Circular Hole Drilled in a Sphere
Circular Hole Drilled in a Cylinder
Circular Hole Drilled in a Cone
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