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|What is significant about the orthocenter of a triangle? Why does it even have a name? This investigation was prepared for a geometry teachers' workshop. It includes a lesson handout in Word format and was written for use in a computer lab with the Geometer's Sketchpad.|
|Levels:||High School (9-12), College|
|Resource Types:||Geometer's Sketchpad|
|Math Topics:||Constructions, Triangles and Other Polygons|
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