Kehä-, keskus- ja tangenttikulmat

A = (7.539384203459153, 4.4377859387752085)
B = (11.011580202203106, 2.679306885242243)
c = Circle(A, B)
C = Point(c)
D = Point(c)
f = Segment(B, A)
g = Segment(A, C)
α = Angle(B, A, C)
h = Segment(B, D)
i = Segment(D, C)
β = Angle(B, D, C)
E = Point(c)
j = Segment(B, E)
k = Segment(C, E)
γ = Angle(B, E, C)
F = (16.05731809944471, 4.849327029860139)
l, m = Tangent(F, c)
G = Intersect(c, l)
H = Intersect(c, m)
n = Segment(A, G)
p = Segment(A, H)
δ = Angle(H, A, G)
ε = Angle(G, F, H)