Hình 26

B_2 = (8.28890909090909, -1.0854545454545483)
B = (0.7689090909090914, -0.8054545454545485)
D = (6.1089090909090915, -1.0254545454545485)
F = (11.328909090909091, -0.7854545454545483)
G = (15.14890909090909, 0.21454545454545138)
H = (16.48890909090909, -1.1854545454545484)
f = Circle(G, H)
P = (12.68890909090909, 3.034545454545451)
Q = (17.80890909090909, -1.3854545454545482)
m = Ray(P, Q)
T = Midpoint(P, G)
p = Circle(T, G)
U = Intersect(f, p, 2.0)
n = Ray(P, U)
α = Angle(Q, P, U)
V = Intersect(f, n, 1.0)
q = Segment(V, G)
ε = Angle(P, V, G)