Pedal Points of Isogonal Conjugates are Concyclic

Drop perpendiculars from isogonal conjugates to the sides of the triangle. The feet of the perpendiculars on the sides of the triangles lie on a circle. The most famous of these circles is the Nine-point circle (Orthocenter and Circumcenter are isogonal conjugates)

 

Steve Phelps

 
Materialtyp
Aktivität
Tags
geometry  modern  triangle 
Zielgruppe (Alter)
14 – 18
Sprache
English
 
 
 
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