Concept information
Terme préférentiel
pedal triangle
Définition(s)
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In plane geometry, a pedal triangle is obtained by projecting a point onto the sides of a triangle. More specifically, consider a triangle △ABC, and a point P that is not one of the vertices A, B, C. Drop perpendiculars from P to the three sides of the triangle (these may need to be produced, i.e., extended). Label L, M, N the intersections of the lines from P with the sides BC, AC, AB. The pedal triangle is then △LMN.
(Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Pedal_triangle)
Concept(s) générique(s)
Traductions
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français
URI
http://data.loterre.fr/ark:/67375/PSR-SW4ZJNWQ-P
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