1.  \; \text{ ... } a,b \text{ ... }

2.  \; \text{ ... } a,b \text{ ... }

3.  \; \text{ ... } a,b \text{ ... }

 \text{Postup} 

\text{Zostrojme priamku }a\text{, ktorá prechádza bodom }A \text{ a neprístupným priesečníkom priamok }p,q.

A = (6.1167228932437965, 3.985486886861045)
C' = (3.232777640137246, 5.658493801646615)
C = (8.156197989363346, 7.219966922113147)
f = Line(C', C)
D = (1.2251693423945642, 2.1531459801911352)
B = (10.339073678178801, -0.20499709969709656)
g = Line(D, B)
t1, c, a, e = Polygon(A, B, C)
h = Line(C', a)
B' = Intersect(g, h)
i = Line(C', e)
j = Line(B', c)
A' = Intersect(i, j)
t2, f_1, b, g_1 = Polygon(C', A', B')
k = Line(A, A')