Which of the following best describes AD?
A. Angle bisector
OB. Perpendicular bisector
OC. Median
OD. Altitude
17
D
17
C
![Which of the following best describes AD A Angle bisector OB Perpendicular bisector OC Median OD Altitude 17 D 17 C class=](https://us-static.z-dn.net/files/d58/dba51119d721389bcb4edf5b279da274.png)