M = (7.48, -0.48)
B = (3.66, 2)
c = Circle(M, B)
C = Point(c)
D = Point(c)
A = Point(c)
a = Segment(B, C)
b = Segment(C, D)
d = Segment(D, A)
e = Segment(A, B)
f = Segment(B, M)
g = Segment(M, C)
h = Segment(M, B)
i = Segment(M, C)
j = Segment(M, B)
k = Segment(M, D)
l = Segment(M, A)
α = Angle(D, A, B)
β = Angle(A, B, C)
γ = Angle(B, C, D)
δ = Angle(C, D, A)