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Triangles
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Demonstrations 101  120 of 733
Distance between Two Points Based on a Triangle
An Inequality for Tripolar Coordinates Related to the Brocard Angle
Splitting the Sides of a Triangle by Its Pedal Triangle
Isogonal and Isotomic Conjugates
An Angle Invariant for Arbitrary Triangles
The Coordinates of a Point Relative to a Triangle
Magic Hexagon
A Vertex Distance Relation for Two Triangles
Conway Triangle Notation
Rational Isogonal Conjugates
Rational Cyclic Polygons
The Sum of the Trilinear Coordinates of a Point
Relating Trilinear and Tripolar Coordinates for a Triangle
Mapping a 3D Point to a 2D Triangle
Centroid of an Arbitrary Hexagon
Rational Rectangles
Thomsen's Figure
Right Tetrahedron: de Gua Theorem
Centroids of Triangles with Vertices on the Unit Circle
Substitution Tilings
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