Google Classroom

GeoGebra Classroom

Nine Point Circle

Egilea:Esther Gruenhut

Gaia:Zirkunferentzia

Euler, Feuerbach, etc.

And if that wasn't enough:

Move point P to see what happens when you reflect the orthocenter through the points on the nine point circle.

Baliabide berriak

Aurkitu Baliabideak

Aurkitu Gaiak