What is the best description of modifying above upper A upper B with bar?

Triangle upper A upper X upper Z is shown with point B located on side upper X upper Z. The segment upper A upper B is drawn. The angle formed at point upper B is labeled with a box.
(1 point)
Responses

altitude
altitude

perpendicular bisector
perpendicular bisector

median
median

angle bisector

1 answer

angle bisector