find the line which goes through a given point and is perpendicular to a given line
PerpendicularLine(lp, P, l )
the name of the line to be created
The routine finds the line lp which goes through point P and is perpendicular 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,PerpendicularLine) allows the use of the abbreviated form of this command.
name of the objectlpform of the objectline2dequation of the line1+x−y=0
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