\overrightarrow{E}

A: (2, 1)
c = Circle(A, 2)
U: (4, 1)
V: (0, 1)
M = (0.564554188178522, 2.3672386753237715)
u = Vector(M, M + (x(M)^(2), y(M)^(2)))
d = Semicircle(U, V)
e = Semicircle(V, U)
C = Midpoint(M, M + u)