E_1 = (27.914186665026442, -3.8941527371140356)
G = (27.38345675974904, -3.112024455652601)
B_1 = (9.198974215770695, 1.1896810923852867)
B_2 = (15.064936326731452, -4.788013630212817)
B = (7.718517111575839, -5.374609841308893)
C = (16.796791807110342, -5.374609841308893)
đa giác1, a, a_1, b, A = Polygon(B, C, 3.0)
I = Midpoint(b)
K = Midpoint(a_1)
D = Midpoint(a)
c = Line(A, a)
d = Ray(D, K)
e = Ray(D, I)
F = Intersect(c, e)
E = Intersect(c, d)
f = CircleArc(D, E, F)
g = CircleArc(I, F, B)
h = CircleArc(A, B, C)
k = CircleArc(K, C, E)
i = Segment(E, D)
j = Segment(D, F)
l = Segment(F, E)