Figuur II

G = (-2, -19)
A_1: (-9, -21)
t = Segment(G, A_1)
straal = 3 (slider from 0 to 5, step 0.1)
d = Circle(A_1, straal)
K = Intersect(d, t, 1)
n, p = Tangent(G, d)
H = Intersect(d, n)
q = Segment(H, A_1)
e = CircleArc(A_1, K, H)
s = Segment(G, H)
I = Point(e)
a = Line(G, I)
M = Intersect(d, a, 2)
b = Segment(G, I)
f_1 = Segment(I, M)
L = (1, -12)
N = (2, -12)
i_1 = Segment(L, N)
O = (3, -12)
j_1 = Segment(N, O)
P = (4, -12)
k_1 = Segment(O, P)
g_1 = Segment(A_1, M)
h_1 = Segment(A_1, I)