Category:Orthogonality (Geometry)
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This category contains results about Orthogonality in the context of Geometry.
Definitions specific to this category can be found in Definitions/Orthogonality (Geometry).
Orthogonal Curves
Two curves are orthogonal if they intersect at right angles.
The term perpendicular can also be used, but the latter term is usual when the intersecting lines are straight.