A = (-1.2685189817705138, 1.3520732258798247)
c = Circle(A, 3)
B = Point(c)
poly1, f, g, h, i, C, D = Polygon(A, B, 4)
d = Circle(B, 1)
e = Circle(C, 1)
J = Intersect(e, h)
I = Intersect(d, g)
j = Segment(J, B)
k = Segment(A, I)
E, E_1 = Intersect(j, poly1)
F = Intersect(k, j)
α = Angle(I, F, J)
p = Circle(A, 1)
G = Intersect(p, f, 1)
u = Vector(A, G)
H = Intersect(p, i)
v = Vector(A, H)
β: acosd(12 / 17)
l = Segment(A, C)
γ = Angle(I, A, C)
w = Vector(A, I)
a = Vector(A, C)
b: (w * a)
m: 12 / ((sqrt(10) * sqrt(18)))
δ: acosd(m)