 \text{Rozbor: }S∈c_1 \; ∩ \; p_1 \; ( c_1(O,r+d), p_1∥t)

1. \text{ Kružnica }k=(O, r=OT): x(T)=x(O)

2. \text{ Dotyčnica } t=A_tT: y(A_t)=y(T)

3.  \text{ GMB_1: }c_1=(O,OT+r), c_2=(O, OT-r)

4. \text{ GMB_2: }p_i∥t \; ∧ \; d(p_i,t)=d, i=1,2

6.  \text{ Ďalšie riešenia: }c_1=(S_1,d), ...

d = 1.5 (slider from 0.1 to Distance[O, T], step 0.1)
text3: " \text{ Zostrojte kružnicu(e) s polomerom }" + (LaTeX[d]) + " \text{, ktoré sa dotýkajú kružnice }k(O,r) \text{ a priamky."
C = (10, 4)
D = (18, 4)
O = (4, 6)
T: (x(O), 1)
k = Circle(O, T)
A_t: (2, y(T))
t = Line(A_t, T)
c_{1} = Circle(O, Distance[O, T] + d)
c_{2} = Circle(O, Distance[O, T] - d)
P = Point(t)
c_{3} = Circle(P, d)
k_{2} = OrthogonalLine(P, t)
A, B = Intersect(c_{3}, k_{2})
p_1 = OrthogonalLine(B, k_{2})
p_2 = OrthogonalLine(A, k_{2})
S = Intersect(c_{1}, p_1, 2)
c = Circle(S, d)
T_2 = Intersect(c, k)
T_1 = Intersect(c, t, 1)
text7: "5.  \text{ Riešenie: }c=(S, d=" + (LaTeX[d]) + ")"
S_1 = Intersect(c_{2}, p_1, 1)
e = Circle(S_1, d)
S_2 = Intersect(c_{1}, p_1, 1)
f = Circle(S_2, d)
S_3 = Intersect(c_{1}, p_2, 1)
g = Circle(S_3, d)