| A | B |
|---|
| Point | a single location or position |
| Line | all the points on a neverending path that extends in both directions |
| Ray | a neverending straight path in one direction from an endpoint |
| Segment | all the points on the straight path between two points called endpoints |
| Congruent Segments | segments that have equal length |
| Intersecting Lines | lines that meet at a point |
| Parallel Lines | lines in the same plane that never intersect |
| Perpendicular Lines | lines that meet to form right angles |
| midpoint | a point that divides a segment into two equal parts |
| Perpendicular bisector | a line, ray, segment, or plane that is perpendicular to a segment and divides it into two equal parts |
| angle | a figure formed by two rays that share the same endpoint |
| vertex | the point where the two rays of an angle meet |
| sides | the two rays of an angle |
| congruent angles | angles that have the same measure |
| bisector of an angle | a ray that divides an angle into two congruent angles |
