# Difference between revisions of "PerpendicularVector Command"

From GeoGebra Manual

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; PerpendicularVector[Line]: Returns the perpendicular vector of the line. | ; PerpendicularVector[Line]: Returns the perpendicular vector of the line. | ||

: Note: A line with equation ''ax + by = c'' has the perpendicular vector ''(a, b)''. | : Note: A line with equation ''ax + by = c'' has the perpendicular vector ''(a, b)''. | ||

; PerpendicularVector[Vector v]: Returns the perpendicular vector of the given vector. | ; PerpendicularVector[Vector v]: Returns the perpendicular vector of the given vector. | ||

: Note: A vector with coordinates ''(a, b)'' has the perpendicular vector ''(-b, a)''. | : Note: A vector with coordinates ''(a, b)'' has the perpendicular vector ''(-b, a)''. |

## Revision as of 23:25, 17 November 2009

- PerpendicularVector[Line]
- Returns the perpendicular vector of the line.
- Note: A line with equation
*ax + by = c*has the perpendicular vector*(a, b)*. - PerpendicularVector[Vector v]
- Returns the perpendicular vector of the given vector.
- Note: A vector with coordinates
*(a, b)*has the perpendicular vector*(-b, a)*.