1
Incenter
angular bisectors
2
angular bisector
a line that bisects an angle
3
orthocenter
altitudes
4
altitudes
vertex to opposite side (perpendicular)
5
circumcenter
perpendicular bisector
6
centroid
medians
7
medians
vertex to midpt of opp side
8
Circumcerter of a right triangle
Midpoint of hypotenuse
9
Orthocenter of right triangle
Right angle point