Výpočet koeficientu podobnosti trojuholníkov

\( \begin{aligned} k & =\frac{5}{3} \\ x & =8 \mathrm{~cm} \\ z & =10 \mathrm{~cm}\end{aligned} \)
\( \begin{aligned} k & =\frac{3}{2} \\ x & =7,5 \mathrm{~cm} \\ z & =9 \mathrm{~cm}\end{aligned} \)
\( \begin{aligned} k & =\frac{4}{3} \\ x & =6 \mathrm{~cm} \\ z & =8 \mathrm{~cm}\end{aligned} \)
\( \begin{aligned} k & =\frac{2}{3} \\ x & =5 \mathrm{~cm} \\ z & =7 \mathrm{~cm}\end{aligned} \)