Hinh 33

A = (2.9365145454545574, 4.962741818181819)
C = (0.7145145454545575, -2.363258181818181)
a = Segment(A, C)
C_1 = Midpoint(a)
c = Circle(C_1, A)
B = Point(c)
b = Segment(A, B)
d = Segment(B, C)
D = (7.116514545454557, -2.4952581818181807)
e = Segment(A, D)
f = Segment(D, C)
α = Angle(A, C, B)
β = Angle(D, C, A)
g = Distance(a, e)
γ = Angle(C, B, A)