Pripísaná kružnica a jej dotyčnice

\text{Osi vnútorných a vonkajších uhlov }\triangle ABC

k_A=(J_A,r=J_AT) \text{ pripísaná kružníca }\triangle ABC

| CT_1| =| CT| \;  ∧ \; | BT_2| =| BT|

a_2

a_2

a_1

a_1

\triangle TCT_1, \triangle TBT_2 \text{  sú rovnoramenné 

q=\overleftrightarrow{TT_1}∥o_c=CI

A = (-0.12096097191867682, 0.4236673795492279)
B = (5.547071316052341, 0.8145661580299904)
C = (1.0354479144202382, 3.681157200222249)
t1, c, a, b = Polygon(A, B, C)
f = Line(A, B)
i = Line(A, C)
r = Line(B, C)
g, h = AngularBisector(i, f)
o_c, k = AngularBisector(r, i)
l, m = AngularBisector(f, r)
I = Intersect(g, o_c)
p = OrthogonalLine(I, r)
E = Intersect(r, p)
k_1 = Circle(I, E)
J_A = Intersect(g, l)
n = OrthogonalLine(J_A, r)
T = Intersect(r, n)
J_B = Intersect(h, k)
J_C = Intersect(h, o_c)
c_1 = Circle(J_A, T)
i_1 = OrthogonalLine(J_A, i)
j_1 = OrthogonalLine(J_A, f)
T_1 = Intersect(c_1, i, 1)
T_2, D = Intersect(c_1, f)
r_1 = Segment(B, T)
s_1 = Segment(B, T_2)
q = Line(T_1, T)
s = Segment(C, T_1)
t = Segment(C, T)