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IEVref: | 102-04-09 | ID: | |

Language: | en | Status: Standard | |

Term: | perpendicular, adj | ||

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Definition: | qualifies in a Euclidean space: - a straight line with respect to another straight line when their associated vectors are orthogonal;
- a straight line with respect to a plane when the line is perpendicular to any line of the plane;
- a plane with respect to another plane when it contains a straight line which is perpendicular to any line of the other plane
Note 1 to entry: Usual wordings for lines are "line A is perpendicular to line B", or "lines A and B are perpendicular", or " A and B are perpendicular lines". Similar wordings are used for the other cases. | ||

Publication date: | 2008-08 | ||

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Internal notes: | 2017-02-20: Editorial revisions in accordance with the information provided in C00019 (IEV 102) - evaluation. JGO | ||

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- a straight line with respect to another straight line when their associated vectors are orthogonal;
- a straight line with respect to a plane when the line is perpendicular to any line of the plane;
- a plane with respect to another plane when it contains a straight line which is perpendicular to any line of the other plane

Note 1 to entry: Usual wordings for lines are "line A is perpendicular to line B", or "lines A and B are perpendicular", or " A and B are perpendicular lines". Similar wordings are used for the other cases.