A = (-2.64, -1.28)
B = (4.96, 2.8000000000000003)
a = Segment(A, B)
C = (-1.94, 4.74)
c = Circle(A, C)
d = Circle(B, Length[Vector[A, C]])
D, E = Intersect(d, c)
s_{AB} = Line(E, D)