TeX Quellcode:

\begin{array}{rcl} a &=& \sqrt{\left(\dfrac{f}{2}\right)^2+p^2} \cr a &=& \sqrt{\left(\dfrac{24 \,cm}{2}\right)^2+(5 \, cm)^2} \cr a &=& \sqrt{169} \, cm \cr a &=& 13\, cm \cr\cr b &=& \sqrt{\left(\dfrac{f}{2}\right)^2+q^2} \cr b &=& \sqrt{\left(\dfrac{24 \,cm}{2}\right)^2+(16 \, cm)^2} \cr b &=& \sqrt{400} \, cm \cr b &=& 20 \, cm \end{array}