Proof Without Words

Author:Steve Phelps

Drag the points. Drag the slider. What do you notice? What does it prove? How does it prove? Sincere thanks to Luis Guillermo de la Rosa Jiménez http://www.geogebratube.org/luisgdelarosa

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Random Polar Curve (1)
The Geometry of the Coefficients of a Quadratic Function
רישום חופשי
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Limaçons

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