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Google Classroom
Google Classroom
GeoGebra
GeoGebra Klaslokaal
GeoGebra
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Didactisch materiaal
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Klaslokaal
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Simson-Wallace variation
Auteur:
M. Pilar Vélez
Construct a triangle ABC and free point D. Consider the perpendicular lines to DA, DB and DC. Ask for the locus of D so that these perpendicular lines are concurrent.
Simson-Wallace variation (M. de Guzman's book, pp45)
GeoGebra
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