Chapter 8
The classical triangle centers
1 The centroid
2 The cirumcenter and the circumcircle
3 The incenter and the incircle
4 The orthocenter and the Euler line
5 The excenters and the excircles
Exercise
1 The centroid
2 The cirumcenter and the circumcircle
3 The incenter and the incircle
4 The orthocenter and the Euler line
5 The excenters and the excircles
Exercise