r1

r1

r2

r3

r3 = r2 - r1

M = punto medio di A-B

A = (-1.2900545248105924, -0.8734948984526923)
B = (18.328556215227533, -0.9081746115049363)
a = Segment(A, B)
C = (3.2528917638448567, -1.7063683847061946)
c = Circle(A, C)
D = (10.105169082566825, -3.296399585735608)
d = Circle(B, D)
E = Intersect(c, a, 1)
e = Circle(B, Radius[c])
F = (26.87621246485319, 5.67591933435894)
Q = Point(c)
n = Segment(A, Q)
V = Point(e)
q = Segment(B, V)
R = Point(d)
p = Segment(B, R)
S = Point(e)
b = Segment(B, F)
U = Point(e)
G = Intersect(e, b, 1)
H = Intersect(d, b, 1)
f = Circle(B, Segment[G, H])
W = Point(f)
r = Segment(B, W)
T = Point(f)
M = Midpoint(A, B)
I = (15.253841543043, 5.3730562484485755)
g = CircleArc(M, B, I)
g' = Mirror(g, a)
J = Intersect(f, g, 1)
K = Intersect(f, g', 1)
h = Line(B, J)
i = Line(B, K)
j = Line(A, h)
k = Line(A, i)
L = Intersect(c, j, 2)
N = Intersect(c, k, 2)
O = Intersect(d, h, 2)
P = Intersect(d, i, 2)
l = Segment(L, O)
m = Segment(N, P)
α = Angle(l, h)
β = Angle(i, m)
γ = Angle(l, j)
δ = Angle(k, m)