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Demonstrations 21 - 40 of 671
Theorem on the Dihedral Angles of an Isosceles Tetrahedron
Properties of Isosceles Tetrahedra
Construct a Dihedral Angle of a Tetrahedron Given Its Plane Angles at a Vertex
Altitude of a Tetrahedron Given Its Edges
Colored Spherical Projections of Polyhedra
Parallelepiped with Edges on Three Skew Lines
Intersection of a Plane and a Tetrahedron
Completing a Tetrahedron to a Parallelepiped
Relations between Plane Angles and Solid Angles in a Trihedron
Supplementary Solid Angles for Trihedron
Regular Tetrahedra Formed by Lattice Points Equidistant from the Origin
Sines of the Dihedral Angles of a Tetrahedron
Hanegraaf's Dissection of a Truncated Octahedron into a Hexagonal Prism
Mapping Sierpinski Triangles onto Polyhedra
Generating Cube-Like Structures from 3-Tuples of Equidistant Points on a Circle
Constructing a Square Pyramid without Gluing
Calendar on Icosidodecahedron
Colored Nets of Various Polyhedra
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