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Geometry
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Demonstrations 2461  2480 of 3232
Hexagonal Prism Totalistic Cellular Automaton
Fractal Octahedra I
Spiral Formations from Iterated Exponentiation
The Mystery of the Disappearing Square
Sections of the 16Cell
A Parallelogram Related to the Excircles
Bisecting a Line Segment through the Orthocenter
Truncated Octahedra Outer Totalistic Cellular Automaton
A Collinearity from the Medial and Excentral Triangles
Rhombic Dodecahedra Totalistic Cellular Automaton
Circumcircles Intersecting at the First Fermat Point
Collinearity of an Incenter and Two Circumcenters
A Hexagon with Opposite Sides Parallel
The Product of the Perpendiculars to the Sides of a Triangle
Tangents to the Circumcircle at the Vertices
Displacement versus Distance
The Orthocentroidal Circle
Pairwise Tangent Circles Centered at the Vertices of a Triangle
The Area of the Pedal Triangle of the Centroid
The Square of a Median in Terms of the Triangle's Sides
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