r

r

A = (3.4322375971190713, 0.5140102098695396)
B = (16.814078803308302, 5.560292313577542)
a = Segment(A, B)
C = (3.799982851640302, -1.67203102534)
D = (16.323751797279996, -5.329053278634463)
b = Segment(C, D)
E = (-1.552753630835391, 4.600068593438772)
F = (0.5107058528670707, 4.681789761110157)
t = Segment(E, F)
G = Point(a)
H = Point(a)
R = Point(b)
J = Point(b)
d = OrthogonalLine(G, a)
α = Angle(a, d)
e = OrthogonalLine(H, a)
β = Angle(a, e)
f = OrthogonalLine(R, b)
γ = Angle(b, f)
g = OrthogonalLine(J, b)
δ = Angle(b, g)
h = Circle(G, Segment[E, F])
R_1 = Point(h)
c = Segment(G, R_1)
k = Circle(H, Segment[E, F])
p = Circle(R, Segment[E, F])
q = Circle(J, Segment[E, F])
K = Intersect(h, d, 1)
L = Intersect(k, e, 1)
M = Intersect(p, f, 2)
N = Intersect(q, g, 2)
i = Line(K, L)
j = Line(M, N)
O = Intersect(i, j)
l = OrthogonalLine(O, a)
ε = Angle(a, l)
m = OrthogonalLine(O, b)
ζ = Angle(b, m)
P = Intersect(l, a)
Q = Intersect(m, b)
r = CircleArc(O, P, Q)
n = Segment(P, B)
s = Segment(Q, D)