Statistics
Exercises
Correction
Correction
| Lines, Segments and Rays |
Definition Line
A line is a straight path that goes on forever in both directions.
Definition Line Notation
We name a line using any two points on it, written as \(\Line{AB}\). We read this as “line \(AB\)”.
Definition Line Segment
A line segment is the part of a line between two endpoints. It has a fixed length.
Definition Line Segment Notation
We name a line segment by its endpoints, written as \(\Segment{AB}\). We read this as “segment \(AB\)”.
Definition Ray
A ray is a part of a line that starts at one endpoint and goes on forever in one direction.
Definition Ray Notation
We name a ray by its endpoint first and another point on it, written as \(\Ray{AB}\). We read this as “ray \(AB\)”.
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