A = (5.756007387980453, 2.9503027552760344, 0)
B = Intersect(zAxis, xOyPlane)
a = Sphere(B, A)
b = Segment(B, A)
C = Point(zAxis)
c = Plane(C, xOyPlane)
d = IntersectPath(c, a)
D = Point(d)
poly1, b_1, d_1, c_1 = Polygon(D, C, B)
e = IntersectPath(xOyPlane, a)
α = Angle(D, C, B)
f = Line(B, C)
E = Intersect(f, xOyPlane)
F, G = Intersect(f, a)