Definition:Orthogonal Curves

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This page is about Orthogonal Curves. For other uses, see Orthogonal.


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.

Orthogonal Circles

Two circles are orthogonal if their angle of intersection is a right angle.

Also see

  • Results about orthogonal curves can be found here.