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Demonstrations 61 - 80 of 3146
A One-Parameter Family of Zonohedra
Series Approximation for the Schwarz D Surface
Dissection and Reassembly of Parallelogram of Given Base and Altitude
Isoperiodic Potentials via Series Expansion
Theorem on the Dihedral Angles of an Isosceles Tetrahedron
Properties of Isosceles Tetrahedra
Roulette (Hypotrochogon) of a Polygon Rolling inside Another Polygon
Roulette (Epitrochogon) of a Regular Polygon Rolling around Another Regular Polygon
Dome of Viviani Windows
The Nagel Line
Three Tangents to a Sphere
Spherical Cosine Rule for Angles
Power of a Point Theorem
Construct a Dihedral Angle of a Tetrahedron Given Its Plane Angles at a Vertex
Altitude of a Tetrahedron Given Its Edges
Roulette (Epitrochogon) of a Disk Rolling around a Regular Polygon
Rolling a Polygon on a Circle
Tiling a Sphere with Special Right Triangles
Tiling with Spherical Triangles of Area Pi
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