Điểm C nằm trên cung lớn AB

O = (1.56, -0.06)
Control = (4.4, -2.42)
c = Circle(O, Control)
A = Point(c)
B = Point(c)
a = Segment(O, B)
b = Segment(O, A)
C_1 = (3.08, 5.22)
d = CircleArc(O, A, B)
C_2 = Intersect(c, d, 1.0)
C = Point(d)