A = (3.02, 4.26)
B = (3.34, 1.06)
C = (6.1000000000000005, 1.3800000000000001)
poly1, c, b, a = Polygon(B, A, C)
β = Angle(B, A, C)
α = Angle(C, B, A)
γ = Angle(A, C, B)
D = Point(b)
d = Circle(D, A)