Figuur III

straal = 3 (slider from 0 to 5, step 0.1)
J = (-8, -23)
e = Circle(J, straal)
K = Point(e)
t = Line(K, J)
L = Intersect(e, t, 2)
r = CircleArc(J, K, L)
M = Point(r)
c = CircleArc(J, M, L)
b = Segment(K, J)
f_1 = Segment(J, L)
g_1 = Segment(L, M)
h_1 = Segment(M, J)
N = Point(c)
i_1 = Segment(L, N)
j_1 = Segment(N, J)
κ = Angle(K, J, M)
λ = Angle(M, J, N)
μ = Angle(N, L, M)
ν = Angle(M, L, J)