Circumference

Constructs the unit circumference: center at the origin and radius one.

Given a real $r$, constructs a circumference centered at the origin and radius $r$.

Given a point $C$ and a real $r$, constructs a circumference of center $C$ and radius $r$.

Given three points, constructs a circumference that intersects all of them.

Given two points $C$ and $A$, constructs a circumference with center $C$ going through $A$.

Given the equation of a circumference, constructs the object.

Given an arc, constructs a circumference containing it.

Center, Radius