A = (3.14, -5.84)
B = (11.14, -5.88)
C_1 = (6.8, 2.88)
c_1 = Circle(A, B, C_1)
a_1 = Line(A, B)
A' = Rotate(A, 60*°, B)
α = Angle(A, B, A')
A'_1 = Rotate(A, -60*°, B)
β = Angle(A'_1, B, A)
B' = Rotate(B, -60*°, A)
γ = Angle(B', A, B)
C = Rotate(B, 60*°, A)
δ = Angle(B, A, C)
b_1 = Line(A, A'_1)
d = Line(B, A'_1)
b = Segment(A'_1, A)
c = Segment(A, B)
a = Segment(B, A'_1)
D = Point(b)