# Circumference

Constructs a circumference.

 circumference() circumference(Real) circumference(Point, Real) circumference(Point, Point, Point) circumference(Point, Point) circumference(Polynomial) circumference(Arc)

#### circumference()

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

#### circumference(Real)

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

#### circumference(Point, Real)

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

#### circumference(Point, Point, Point)

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

#### circumference(Point, Point)

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

#### circumference(Polynomial)

Given the equation of a circumference, constructs the object.

#### circumference(Arc)

Given an arc, constructs a circumference containing it.