1. Bisector A bisector divides a segment into two congruent segments. l
Definition:
A bisector divides a segment into two congruent segments.
Points, lines, planes, line segments and rays can all be bisectors of a given segment. l A B C A B C
Point B bisects
Line l bisects

2. A B C P
Plane P bisects A B C D E
bisects A B C
bisects H

3. Midpoint A midpoint divides a segment into two congruent segments. l
The midpoint of a segment is the point at which a bisector intersects the segment.
The midpoint of a segment is the “middle” point on the segment.
Definition:
A midpoint divides a segment into two congruent segments. A B C l
Line l bisects
and
B is the midpoint of