$
\text{Gegeben:}\\\text{Oberfläche} \qquad O \qquad [m^{2}] \\
\\\text{Grundfläche} \qquad G \qquad [m^{2}] \\
\\ \text{Gesucht:} \\\text{Mantelfläche} \qquad M \qquad [m^{2}] \\
\\ M = O- G \\ \textbf{Gegeben:} \\ O=70m^{2} \qquad G=34m^{2} \qquad \\ \\ \textbf{Rechnung:} \\
M = O- G \\
O=70m^{2}\\
G=34m^{2}\\
M = 70m^{2}- 34m^{2} \\
M=36m^{2}
\\\\\\ \small \begin{array}{|l|} \hline O=\\ \hline 70 m^2 \\ \hline 7\cdot 10^{3} dm^2 \\ \hline 7\cdot 10^{5} cm^2 \\ \hline 7\cdot 10^{7} mm^2 \\ \hline \frac{7}{10} a \\ \hline 0,007 ha \\ \hline \end{array} \small \begin{array}{|l|} \hline G=\\ \hline 34 m^2 \\ \hline 3,4\cdot 10^{3} dm^2 \\ \hline 3,4\cdot 10^{5} cm^2 \\ \hline 3,4\cdot 10^{7} mm^2 \\ \hline \frac{17}{50} a \\ \hline 0,0034 ha \\ \hline \end{array} \small \begin{array}{|l|} \hline M=\\ \hline 36 m^2 \\ \hline 3,6\cdot 10^{3} dm^2 \\ \hline 3,6\cdot 10^{5} cm^2 \\ \hline 3,6\cdot 10^{7} mm^2 \\ \hline \frac{9}{25} a \\ \hline 0,0036 ha \\ \hline \end{array}$