$\begin{array}{l} \text{Gegeben:}\\\text{Fläche} \qquad A \qquad [m^{2}] \\ \text{Höhe} \qquad h \qquad [m] \\ \\ \text{Gesucht:} \\\text{Grundlinie} \qquad g \qquad [m] \\ \\ g = \frac{A}{h}\\ \textbf{Gegeben:} \\ A=1\frac{1}{2}m^{2} \qquad h=\frac{1}{5}m \qquad \\ \\ \textbf{Rechnung:} \\ g = \frac{A}{h} \\ A=1\frac{1}{2}m^{2}\\ h=\frac{1}{5}m\\ g = \frac{1\frac{1}{2}m^{2}}{\frac{1}{5}m}\\\\g=7\frac{1}{2}m \\\\\\ \small \begin{array}{|l|} \hline A=\\ \hline 1\frac{1}{2} m^2 \\ \hline 150 dm^2 \\ \hline 1,5\cdot 10^{4} cm^2 \\ \hline 1,5\cdot 10^{6} mm^2 \\ \hline 0,015 a \\ \hline 0,00015 ha \\ \hline \end{array} \small \begin{array}{|l|} \hline h=\\ \hline \frac{1}{5} m \\ \hline 2 dm \\ \hline 20 cm \\ \hline 200 mm \\ \hline 2\cdot 10^{5} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline g=\\ \hline 7\frac{1}{2} m \\ \hline 75 dm \\ \hline 750 cm \\ \hline 7,5\cdot 10^{3} mm \\ \hline 7,5\cdot 10^{6} \mu m \\ \hline \end{array} \end{array}$