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Special lines (segments or rays) in a triangle.
Author:
Dave Van Leeuwen
Shows altitude, perpendicular bisector, angle bisector, and median in a triangle.
GeoGebra
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Probability and Geometry
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Exploring the Pythagorean Identity
Medians
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Cutting a Cube
สามเหลี่ยมพีทาโกรัส
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Parabola
Similarity Transformation or Similarity
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