TeX Quellcode:

\begin{array}{rcl} p &=& \sqrt{a^2-h^2} \cr p &=& \sqrt{(13 \, m)^2-(5 \, m)^2} \cr p &=& \sqrt{144} \, m \cr p &=& 12 \, m \cr\cr c &=& p+q \cr c &=& 12 \, m+\dfrac{25}{12} \, m \cr c &=& \dfrac{169}{12} \, m \cr\cr b &=& \sqrt{c^2-a^2} \cr b &=& \sqrt{\left(\dfrac{169}{12} \, m\right)^2-\left(13 \, m\right)^2} \cr b &=& \dfrac{65}{12} \, m \end{array}