E_1 = (-6.057978163022511, -11.480476279221453)
J = (44.00483553213783, -1.7379316315481221)
A = (9.267372968149022, 1.10820500709802)
C = (19.593740516057462, 1.10820500709802)
a = Segment(A, C)
c = Semicircle(A, C)
B = Point(c)
X = Segment(B, A)
d = Segment(B, C)
α = Angle(A, B, C)
e = Distance(a, d)