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GeoGebra
GeoGebra Klaslokaal
GeoGebra
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Didactisch materiaal
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Klaslokaal
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Geometry Problem 479: Triangle, Cevians, Concurrency, Transversal, Proportion
Auteur:
Steve Phelps
Onderwerp:
Meetkunde
Proving DH:HE = DG:EG. Slide the slider slowly.
GeoGebra
http://www.gogeometry.com/problem/p479_triangle_cevian_concurrent_transversal_proportion.htm
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