gelijk = 4 (slider from 0 to 10, step 0.1)
B = (1, 2)
langer = 3.5 (slider from 0 to 5, step 0.1)
tophoek = 0.9250245035569946 rad (slider from 0 to 179°, step °)
D = (1, -7)
D' = Rotate(D, (-(tophoek / 2)), B)
j = Ray(B, D')
d = Circle(B, gelijk)
G = Intersect(d, j)
c = Circle(G, langer)
F, I = Intersect(c, j)
D'_2 = Rotate(D, tophoek / 2, B)
k = Ray(B, D'_2)
H = Intersect(d, k)
E = (11.5, -3)
i = Ray(B, D)
m = Segment(B, G)
γ = Angle(B, H, G)
l = Segment(G, H)
β = Angle(H, G, B)
q = Segment(H, I)
ε = Angle(H, I, G)
ζ = Angle(G, H, I)
δ = Angle(G, H, I)
α = Angle(G, I, H)
f = Segment(B, H)
n = Segment(G, I)