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

The 3D Space
Translation of the Graph of a Function
Interactive Unit Circle - Exact Trig Values
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
seo tool

Discover Resources

Polar coordinates (boat game)
Pythagorean theorem
Time
polynomials from roots
Bài tập 6 trang 98

Discover Topics

Dilation
Similar Triangles
Intersection
Prism
Function Graph