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Geometry
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Demonstrations 2581  2600 of 3072
Decomposition of the Tetrahedron into Four Congruent Symmetrical Parts
Conjecture de Beraha pour les cycles (French)
ZebraPainted Egg
Eggs using Spherical Coordinates
Six Incircles in an Equilateral Triangle
Hoehn's Theorem
Conjecture de Beraha pour les roues (French)
Angle Bisector for an Angle Subtended by a Tangent Line
Bottema's Theorem
Hjelmslev's Theorem
Bennett's OctagontoSquare Dissection
A Visual Proof of the DoubleAngle Formula for Sine
A Visual Proof of the CauchySchwarz Inequality in 2D
Elementary Cellular Automaton Egg
Menelaus' Theorem
Viviani's Theorem
Convex Golden Rhombic Polyhedra
Lindgren's SquaretoDodecagon Dissection
Busschop's HexagontoSquare Dissection
Brodie's PentagontoSquare Dissection
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