A segment bisector or angle bisector. A bisector can be a line, line segment, or ray.
The midpoint.
bisector
Such a ray is called a "bisector" of the angle.
angle bisector
Bisector.
Nothing since there is no such word. However, an angle bisector is a line segment that divides an angle into two equal parts.
The midpoint divides a line segment into congruent parts.
the middle of something divides it into two equal parts not the center because the center divides it into 4 equal parts
A bisector is a line or curve which bisects or divides a line segment, angle or other figure into two equal parts.
An angle bisector.
A point on a line segment that divides the segment into two equal parts is a midpoint.
midpoint
The midpoint.
bisector
line segment that divided the angle into 2 separate anglesA bisector is something that divides another thing into two equal parts (halves).
Such a ray is called a "bisector" of the angle.
angle bisector