B_1 = (357.8198970738511, 292.7073522329773)
C_1 = (359.57714077875585, 208.71110313852975)
F = (613.3231317670034, 249.12770835133924)
D_1 = (392.9647711719463, 247.37046464643444)
D_2 = (325.74014760767017, 318.92591800036297)
E = (327.90054557832013, 318.44582956244074)
G = (344.70364090559735, 262.99561498242576)
J = (230.20254846115085, 217.38721337981605)
K = (234.0432559645285, 217.14716916085493)
b = Segment(J, K)
L = (229.00232736634533, 208.26553305929409)
H = (283.732409289477, 207.78544462137188)
e = Segment(L, H)
A = (256.12732410895006, 269.2367646754145)
B = (304.616256339093, 291.08078860087494)
a_2 = Segment(A, B)
C = (313.0178040027317, 307.1637512712689)
D = (397.7534132960013, 304.0431764247745)
c = Segment(C, D)
a = 19.5 (slider from 0 to 50, step 0.1)
O = (268.3695792759663, 254.8341115377482)
N_1 = (448.4027434967942, 256.99450950839815)
d = Ray(O, N_1)
f = Circle(A, a)
O_1 = Intersect(f, a_2, 1.0)
g = Circle(A, 2.0 * a)
P = Intersect(g, a_2, 1.0)
h = Circle(A, a * 3.0)
Q = Intersect(h, a_2, 1.0)
k = Circle(A, 4.0 * a)
p = Circle(A, 5.0 * a)
R = Intersect(k, a_2, 1.0)
S = Intersect(p, a_2, 1.0)
q = Circle(C, a)
r = Circle(C, a * 2.0)
s = Circle(C, a * 3.0)
t = Circle(C, a * 4.0)
c_1 = Circle(C, a * 5.0)
d_1 = Circle(C, a * 6.0)
T = Intersect(q, c, 1.0)
U = Intersect(r, c, 1.0)
V = Intersect(s, c, 1.0)
W = Intersect(t, c, 1.0)
Z = Intersect(c_1, c, 1.0)
A_1 = Intersect(d_1, c, 1.0)
e_1 = Circle(O, Segment[A, B])
M = Intersect(e_1, d, 1.0)
f_1 = Circle(M, Segment[C, D])
N = Intersect(f_1, d, 1.0)
i = Segment(O, M)
j = Segment(M, N)
khoangcachON = Distance(O, N)
Văn bảnON: "\overline{" + (Name[O]) + (Name[N]) + "} \, = \, " + khoangcachON