The Altitudes and the Euler Line
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|Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny|
|A proof of the existence of the orthocenter of a triangle embodying several concepts such as Morley's complex interpolation theory, Napoleon's theorem, and Morley's miracle; with examples of the theorems and a geometric explanation of the Euler Line and the 9-Point Circle. Includes a reference list and a Java applet for interactive investigations of the proof.|
|Resource Types:||Web Interactive/Java|
|Math Topics:||Euclidean Plane Geometry|
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