Reflections of the Orthocenter in Cevian Lines

Take any point P and reflect the orthcenter H in the cevians AP, BP, and CP producing Ha, Hb, and Hc. Circles APHa, BPHb, and CPHc intersect at Q, on the rectangular circumhyperbola through P and the fourth intersection with the circumcircle.

 

Steve Phelps

 
Resource Type
Activity
Tags
geometry  orthocenter  reflection  triangle 
Target Group (Age)
14 – 18
Language
English
 
 
GeoGebra version
5.0
Views
3740
Contact author of resource
 
 
© 2025 International GeoGebra Institute