## Circle curve

A Circle curve is a simple shape of Euclidean geometry consisting of those points in a plane that are a given distance from a given point, the centre.

Cardioid is the pedal of a circle if the pedal point is taken on the circumference.

If the pedal point is not on the circumference, the pedal of a circle is a Limacon of Pascal.

Get copyable formulas for Circle curve from Differential Geometry Library (MathML, TeX, Mathematica input, Maple input)