The Wallace-Simson Line

Author: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.

New Resources

Model sferyczny - sześcian-ośmiościan
Model sferyczny - dwunastościan-dwudziestościan
Trefoil Knot
Angle Addition: Warm Up Exercises
Rolling Circles and Polygons

Discover Resources

Property 5
Øvelse - Funktionsgenkendelse
Homework 2
Sine rule - ambiguous case的副本
Quantization error contour

Discover Topics

Poisson Distribution
Probability
Kite
Variance
Geometry