 \text{Postup} 

\text{Zostrojte trojuholník }ABC\text{, ak poznáte } t_a,t_b,γ.

1.  \; \text{Ťažnica } AA_1

t_a

2.  \; \text{Stred. súmernosť: } A'=ρ_{A_1}(A)

3.  \; \text{Ťažisko } T; \text{ kružnica }k\left( T;r=\frac{2}{3}t_b  \right) 

4. \text{ Oblúk }o: A_1A' \text{ pod uhlom }γ

γ

5.  \; B=ρ_{A_1}(C) ... =k∩o

6.  \; \text{Stred. súmernosť: } C=B'=ρ_{A_1}(B)

B'=C

A = (1, 4)
t_a = 4.2 (slider from 0.1 to 10, step 0.1)
t_b = 4 (slider from 0.1 to 10, step 0.1)
γ = 0.767944870877505 rad (slider from 0 to 180°, step 0.017453292519943295)
c_{1} = Circle(A, t_a)
A_1 = Point(c_{1})
f = Segment(A, A_1)
A' = Mirror(A, A_1)
l = Line(A, A')
d = Circle(A, (2 / 3 * t_a))
T = Intersect(d, f, 1)
k = Circle(T, (2 / 3 * t_b))
A'' = Rotate(A', γ, A_1)
α = Angle(A'', A_1, A')
g = Line(A_1, A'')
h = LineBisector(A_1, A')
i = OrthogonalLine(A_1, g)
B_{1} = Intersect(h, i)
e = CircleArc(B_{1}, A_1, A')
B = Intersect(k, e, 1)
B' = Mirror(B, A_1)
t1, c, a, b = Polygon(A, B, B')
β = Angle(A, B', B)