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Triangles in a Trapezoid - Similarity
Autor:
James R Olsen
ABCD is a trapezoid. Segments AC and BD are diagonals meeting at E. What do you notice about
and
? Can you prove it?
(the diagram may be manipulated)
GeoGebra
Nuevos recursos
Rolling Circles and Polygons
Rose Curve
Angle Addition: Warm Up Exercises
Trefoil Knot
Slope Between 2 Points (Phase 2)
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חיבור אמצעי צלעות של מרובע
EyeBall Game
String-Triangle
Effect of GeoGebra on Learning Outcomes of Maths Students
parabola project
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Medias
Intervalo de Confianza
Geometría
Fracciones
Cuadriláteros