The Wallace-Simson Line

Autore:Steve Phelps

When the pedal point P is on the circumcircle of triangle ABC, the pedal triangle degenerates into a line through points D, E, and F. Click on the small "play" icon in the lower left corner.

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Semicircular Cross Sections
Slopes of Perpendicular Lines
Parametric surfaces: Sphere
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Quadratics Match
prisme4 p 118
Math class
Hole #2
Reflection Grid 1

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