Simetrale stranic trikotnika - očrtan krog
Author: Milan Gaberšek

Če poljubnemu trikotniku ΔABC narišemo simetrale stranic a, b in c, dobimo v presečišču točko S, ki pa je hkrati središče trikotniku očrtane krožnice.

r_o

A = (-0.96, -0.14)
B = (8.620000000000001, 0.08)
C = (0.5, 4.72)
mnogokotnik1, c, a, b = Polygon(A, B, C)
s_a = LineBisector(a)
s_b = LineBisector(b)
s_c = LineBisector(c)
S_o = Intersect(s_a, s_b)
k = Circle(S_o, B)
α = Angle(s_c, c)
β = Angle(s_a, a)
γ = Angle(s_b, b)
K = Point(k)
d = Segment(K, S_o)