三角形の「中心」の秘密を探ろう

A = (9.235810355634326, 1.657884720560037)
B = (4.135810355634327, -4.4221152794399625)
C = (14.287273531687518, -4.434436238897375)
t1, c, a, b = Polygon(A, B, C)
f = LineBisector(C, B)
g = LineBisector(B, A)
h = LineBisector(A, C)
O = Intersect(f, g)
i, j = AngularBisector(c, a)
k, l = AngularBisector(a, b)
m, n = AngularBisector(b, c)
I = Intersect(j, l)
F = Midpoint(B, C)
G_{1} = Midpoint(C, A)
H = Midpoint(A, B)
p = Line(A, F)
q = Line(B, G_{1})
r = Line(C, H)
G = Intersect(p, q)