Short Answer
Note: Your teacher will grade your response to questions 13–15 to ensure you receive proper credit for your answer.
For a triangle, list the respective names of the points of concurrency of
perpendicular bisectors of the sides
bisectors of the angles
medians
lines containing the altitudes
The respective names of the points of concurrency for a triangle are:
Perpendicular bisectors of the sides - circumcenter
Bisectors of the angles - incenter
Medians - centroid
Lines containing the altitudes - orthocenter