Directed Line Segment
Portion of a directed line located between two points on the line.
Symbol
The directed line segment AB may be written as [latex]\overrightarrow{\textrm{AB}}[/latex]. Therefore : [latex]\overrightarrow{\textrm{AB}}[/latex] = –[latex]\overrightarrow{\textrm{BA}}[/latex].Example
This is the directed line segment AB, which may be written as [latex]\overrightarrow{\textrm{AB}}[/latex] :