L = (2.18, -1.12)
K = (0.98, -0.9)
po, a_1, b_1, c_1, d_1, e_1, f_1, M, N, P, Q = Polygon(K, L, 6)
B_1 = (-2.2, 1.3)
O = PointIn(po)
c = Circle(O, B_1)
B = Point(c)
a = Segment(O, B)
C = Point(c)
b = Segment(O, C)
d = CircleArc(O, C, B)
D = Point(d)
e = Segment(D, B)
f = Segment(D, C)
E = Point(d)
g = Segment(E, B)
h = Segment(E, C)
α = Angle(B, O, C)
β = Angle(B, D, C)
γ = Angle(B, E, C)
i = 0 (slider from 0 to 1, step 0.01)
A: E + (i * (O - E))
k = Circle(A, g)
j = Ray(A, B)
F = Intersect(k, j, 1)
l = Segment(A, F)
p = Circle(A, h)
A' = Rotate(A, γ, A)
B' = Rotate(B, γ, A)
j' = Ray(A', B')
G = Intersect(p, j')
m = Segment(G, A')
δ = Angle(F, A, G)
H: D + (i * (O - D))
q = Circle(H, f)
n = Ray(H, C)
I = Intersect(q, n, 1)
r = Segment(H, I)
H' = Rotate(H, (-β), H)
C' = Rotate(C, (-β), H)
n' = Ray(H', C')
s = Circle(H, e)
J = Intersect(s, n')
t = Segment(H, J)
ε = Angle(J, H, I)