C = (6, 1)
T1 = (-5, -2)
T2 = (13, 10)
c = Circle(C, T1)
a = Segment(C, T1)
b = Segment(C, T2)
d = OrthogonalLine(T1, a)
e = OrthogonalLine(T2, b)
A = Intersect(e, d)