Ziehen

THALES

M = (5.636416389811739, -0.5692491694352159)
A = (0.2659756367663345, -1.002830564784052)
c = Circle(M, A)
α = 3.141592653589793 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
B = Rotate(A, α, M)
β = Angle(A, M, B)
a = Segment(A, B)
C = Point(c)
b = Segment(B, C)
d = Segment(C, A)
γ = Angle(A, C, B)