C_1 = (3.7233236637190195, -7.492278350173511)
B = (-1.5682837552808326, -1.4790881013100416)
C = (3.990576563668503, -1.7730662912544781)
đa giác1, a, a_1, b, A = Polygon(B, C, 3.0)
c = LineBisector(a)
d = LineBisector(a_1)
e = LineBisector(b)
D = (7.518314843001743, -7.064673710254331)
E = (10.80552551238044, -7.171574870234126)
kcDE = Distance(D, E)
K = (-2.2898665851444524, -7.225025450224024)