a)

b)

c)

B_2 = (8.28890909090909, -1.0854545454545483)
B_1 = (0.7689090909090914, -0.8054545454545485)
D = (6.1089090909090915, -1.0254545454545485)
F = (11.328909090909091, -0.7854545454545483)
H_1 = (16.48890909090909, -1.1854545454545484)
O = (14.095543706293704, -0.48106351981352335)
C_1 = (16.1179796037296, -2.3619289044289076)
c = Circle(O, C_1)
O1 = (21.86169755244755, -0.25859557109557463)
G = (23.681889860139858, -2.483275058275061)
d = Circle(O1, G)
O2 = (30.07278729603729, -0.35971736596736925)
J = (31.8929796037296, -2.7057430069930097)
e = Circle(O2, J)
A = Point(c)
A1 = Point(d)
A2 = Point(e)
a = Line(O, A)
b = Line(O1, A1)
f = Line(O2, A2)
g = OrthogonalLine(A, a)
h = OrthogonalLine(A1, b)
i = OrthogonalLine(A2, f)
N = Point(g)
O_1 = Point(h)
P = Point(i)
X = Segment(A, N)
X1 = Segment(A1, O_1)
X2 = Segment(A2, P)
C = Intersect(d, b, 2.0)
B = Intersect(c, a, 2.0)
m = Ray(A, O)
n = Ray(A1, O1)
B2 = Point(e)
p = Ray(A2, B2)
B1 = Point(d)
q = Segment(B1, A1)
α = Angle(N, A, O)
β = Angle(O_1, A1, B1)
γ = Angle(P, A2, B2)
δ = Angle(O_1, A1, O1)
r = Segment(O1, B1)
s = OrthogonalLine(O1, q)
H = Intersect(s, q)
t = Segment(O1, H)
ε = Angle(A1, O1, H)
ζ = Angle(H, O1, B1)
η = Angle(B1, H, O1)