$ \text{Gegeben:}\\\text{Grundlinie} \qquad g \qquad [m] \\ \text{Höhe} \qquad h \qquad [m] \\ \\ \text{Gesucht:} \\\text{Fläche} \qquad A \qquad [m^{2}] \\ \\ A = \frac{g \cdot h}{2}\\ \textbf{Gegeben:} \\ g=120m \qquad h=80m \qquad \\ \\ \textbf{Rechnung:} \\ A = \frac{g \cdot h}{2} \\ g=120m\\ h=80m\\ A = \frac{120m \cdot 80m}{2}\\\\A=4,8\cdot 10^{3}m^{2} \\\\\\ \small \begin{array}{|l|} \hline g=\\ \hline 120 m \\ \hline 1,2\cdot 10^{3} dm \\ \hline 1,2\cdot 10^{4} cm \\ \hline 1,2\cdot 10^{5} mm \\ \hline 1,2\cdot 10^{8} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline h=\\ \hline 80 m \\ \hline 800 dm \\ \hline 8\cdot 10^{3} cm \\ \hline 8\cdot 10^{4} mm \\ \hline 8\cdot 10^{7} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline A=\\ \hline 4,8\cdot 10^{3} m^2 \\ \hline 4,8\cdot 10^{5} dm^2 \\ \hline 4,8\cdot 10^{7} cm^2 \\ \hline 4,8\cdot 10^{9} mm^2 \\ \hline 48 a \\ \hline \frac{12}{25} ha \\ \hline \end{array}$