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Math
Advanced Topics
Advanced Geometry
Advanced Plane Geometry
Advanced Polygon-Circle Relations
Cyclic Quadrilaterals and Beyond
Simson and Ptolemy
Simson's Theorem
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1
The Simson Line Given a triangle ABC and a point P on its circumcircle, the three closest points to P on lines AB, AC, and BC are collinear. Proof: To prove this, we angle chase…
By Eric Zhang
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