411 REFERENCE · Wiktionary
Simson line
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
right|thumb|250px|The Simson line LN (red) of the triangle ABC with respect to point P on the circumcircle
Etymology
Named after Robert Simson, though it had been published prior to his work.
Noun
en geometry Given a triangle ABC and a point P on its circumcircle, the three closest points to P on lines AB, AC, and BC are collinear. The line through these points is the Simson line of P.
en Wallace line
en Circle Shapes
en eponyms