Definition:Orthogonal Curves/Circles
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This page is about Orthogonal Circles. For other uses, see Orthogonal.
Definition
Two circles are orthogonal if their angle of intersection is a right angle.
Also known as
Some sources refer to circles that intersect (or cut) orthogonally, rather than considering that the adjective orthogonal can apply directly to the circles themselves.
Also see
- Results about orthogonal circles can be found here.
Sources
- 1933: D.M.Y. Sommerville: Analytical Conics (3rd ed.) ... (previous) ... (next): Chapter $\text {III}$. The Circle: $15$. Angle of intersection of two circles