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Demonstrations 41 - 60 of 558
Spherical Cap and Ring
Intersection of a Plane and a Tetrahedron
Completing a Tetrahedron to a Parallelepiped
Dissection of a Spherical Triangle into Three Spherical Triangles around a Spherical Hexagon
Four Theorems on Spherical Triangles
Dissection of a Spherical Equilateral Triangle into Three Isosceles Triangles
Relations between Plane Angles and Solid Angles in a Trihedron
Supplementary Solid Angles for Trihedron
Regular Spherical Polygons
Regular Tetrahedra Formed by Lattice Points Equidistant from the Origin
Fate of the Euler Line and the Nine-Point Circle on the Sphere
Spherical Law of Sines
Spherical Law of Cosines
Sines of the Dihedral Angles of a Tetrahedron
Op Art on a Sphere
Hanegraaf's Dissection of a Truncated Octahedron into a Hexagonal Prism
Chart for a Torus
A Collection of 138 Nonconvex Rhombic Polyhedra
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