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Exploring and Defining Geometric Mean (Altitude) – GeoGebra
Pythagoras theorem with triangles – GeoGebra
A generalization of the right triangle altitude theorem – GeoGebra
Similar Right Triangles (V2) – GeoGebra
Right Triangle Altitude Theorem – GeoGebra
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IGS, Dynamic Geometry 1473: Kosnita Theorem, Four Circumcenters
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