A = (-1.287879694056132, 3.778531340559729)
B = (-5.666551445819428, -3.117876668467461)
a = Segment(A, B)
C = (6.7396851841765795, -3.592232774908485)
b = Segment(B, C)
c = Segment(C, A)
đa giác1, c_1, a_1, b_1 = Polygon(A, B, C)
α = Angle(C, B, A)
β = Angle(A, C, B)
D = (5.024705414735952, 4.216398515736058)
d = Circle(D, a_1)
e = Circle(D, a)
E = Point(d)
E' = Rotate(E, α, D)
γ = Angle(E, D, E')
f = Ray(D, E')
K = Intersect(e, f, 1.0)
đa giác2, e_1, f_1, d_1 = Polygon(K, D, E)
δ = Angle(D, K, E)
ε = Angle(K, E, D)
M = (15.387561893909085, -3.81116636249665)
g = Circle(M, a)
N = Point(g)
H' = Rotate(N, -(α), M)
ζ = Angle(H', M, N)
h = Ray(M, H')
k = Circle(N, b)
P = Intersect(k, h, 1.0)
đa giác3, i, g_1, h_1 = Polygon(M, N, P)