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Demonstrations 1 - 20 of 459
Some Polyhedra with Identical Triangular Faces
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Octahedra Constructed from Eight Identical Triangles
New this month
Non-Euclidean Triangle Continuum
Repeatedly Subdividing Triangles through Special Points
Doubling a Distance with a Compass
Maximize the Number of Vertices in an Equilateral Triangular Lattice
Trisecting an Angle Using the Cycloid of Ceva
Triangulating Random and Regular Polygons
Wheel Graphs with Integer Edges
Area of a Triangle in the Poincaré Disk
Spherical Triangle Solutions
Japanese Theorem for Cyclic Polygons
The Pedal and Antipedal Triangles
Exact Trilinear Coordinates
Geometric Series Based on Equilateral Triangles
Generalized Straightedge and Compass Fractal
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