A = (1.82, 5.68)
B = (6.98, 3.78)
C = Point(xAxis)
t1, c, a, b = Polygon(A, B, C)
K = (10.9, 3.68)
lambda = 2.8 (slider from -5 to 5, step 0.1)
A' = Dilate(A, lambda, K)
B' = Dilate(B, lambda, K)
C' = Dilate(C, lambda, K)
t1', c', a', b' = Polygon(A', B', C')
f = Segment(A, A')
g = Segment(B, B')
h = Segment(C, C')
i = Segment(A, K)
j = Segment(B, K)
k = Segment(C, K)
α = Angle(A, B, C)
β = Angle(B, C, A)
γ = Angle(C, A, B)
ε = Angle(A', B', C')
ζ = Angle(B', C', A')
szöveg1: "$\lambda$ = " + (LaTeX[lambda]) + ""
δ = Angle(C', A', B')