Angle bisector
Centroid
Perpendicular bisector
Orthocenter
Altitude
Incenter
Circumcenter
Median
Intersection of perpendicular bisectors
Intersection of angle bisectors
Line that divides a segment into two equal parts and that it is perpendicular to the segment
Intersection of medians
Intersection of altitudes
Line that divides an angle into two equal angles
Segment from a vertex to the midpoint of the opposite side
Perpendicular segment from a vertex to the opposite side