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Minh Trinh Xuan
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Demonstrations 121  137 of 137
Inequalities for an Exradius of a Triangle
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
Radical Circle of Three Circles
Rational Cyclic Polygons
Seven Points with Integral Distances
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
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