

Geometry, Triangles, Orthic Axis, Theorems, Problems, College, High School


Orthic Axis  Index




Geometry Problem 1233
Triangle, Euler Line, Orthic Axis, Perpendicular, 90 Degrees, Orthic Triangle. 

Geometry Problem 1232
Triangle, Altitudes, Orthic Triangle, Collinearity, Orthic Axis. 

NinePoint Center, NinePoint Circle, Euler Line.
Interactive illustration.
Circumcenter, Centroid, Orthocenter
HTML5 Animation for iPad and Nexus
Adobe Flash Animation.


Orthic Triangle Index. 





