find the line which goes through a given point and is parallel to a given line
ParallelLine(lp, P, l)
the name of the line to be created
The routine finds the line which goes though point P and is parallel to line l.
For a detailed description of the line to be created lp, use the routine detail (e.g., detail(lp))
The command with(geometry,ParallelLine) allows the use of the abbreviated form of this command.
name of the objectlpform of the objectline2dequation of the line−5+x+y=0
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