'The radius of the circle.
Returns
radius : number or sympy expression
See Also
Ellipse.major, Ellipse.minor, Ellipse.hradius, Ellipse.vradius
Examples
>>> from sympy import Point, Circle
>>> c1 = Circle(Point(3, 4), 6)
>>> c1.radius
6'

@property
def radius(self):

    return self.args[1]
