'The radius of the circumcircle of the triangle.
Returns
circumradius : number of Basic instance
See Also
sympy.geometry.ellipse.Circle.radius
Examples
>>> from sympy import Symbol
>>> from sympy.geometry import Point, Triangle
>>> a = Symbol(\'a\')
>>> p1, p2, p3 = Point(0, 0), Point(1, 0), Point(0, a)
>>> t = Triangle(p1, p2, p3)
>>> t.circumradius
sqrt(a**2/4 + 1/4)'

@property
def circumradius(self):

    return Point.distance(self.circumcenter, self.vertices[0])
