c

4)  \text{ Trojuholník  } \triangle ABC

c = 7 (slider from 0.5 to 10, step 0.1)
v_a = 6 (slider from 0.5 to 10, step 0.1)
t_c = 5 (slider from 0.5 to 10, step 0.1)
A = (-4.49818181818182, -1.914710743801653)
B = Point(Circle[A, c])
text1: "1)  \text{ Zostrojíme úsečku \;  }AB=  " + (LaTeX[c]) + ""
h = Segment(A, B)
C_1 = Midpoint(A, B)
k = Circle(C_1, A)
k_1 = Circle(A, v_a)
text2: "2)  \text{ Zostrojíme bod \;}A_0  \text{ s vlastnosťou } A_0∈ k ∩k_1; \;  k=(C_1,\frac{" + (LaTeX[c]) + " }{2}) , k_1=(A,v_a=" + (LaTeX[v_a]) + " )"
A_0 = Point(k_1)
f = Ray(B, A_0)
k_2 = Circle(C_1, t_c)
text5: "3)  \text{ Zostrojíme bod  }C   \text{ s vlastnosťou } B∈ \overrightarrow{BA_0} ∩k_2; \;  k_2=(C_1,t_c=" + (LaTeX[t_c]) + " ) "
C = Intersect(k_2, f, 1)
t1, c_1, a, b = Polygon(A, B, C)