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

Tetrahedron String Art
Average Value
Area Between Two Curves
Visualizing the Pythagorean Identity with Sine and Cosine
Using Experimental Probability to Estimate π - Monte Carlo Method

Discover Resources

Locus with complex numbers
AngleDemonstration
Untitled
Kopi af Ganging (multiplikasjon) av tosifrede tall.
Sum of Angles

Discover Topics

Coordinates
Vectors 3D (Three-Dimensional)
Line Segment
Random Experiments
Trigonometric Functions