$
\text{Gegeben:}\\\text{Breite} \qquad b \qquad [m] \\
\text{Länge} \qquad a \qquad [m] \\
\\ \text{Gesucht:} \\\text{Diagonale} \qquad d \qquad [m] \\
\\ d = \sqrt{a^{2} +b^{2} }\\ \textbf{Gegeben:} \\ b=12m \qquad a=16m \qquad \\ \\ \textbf{Rechnung:} \\
d = \sqrt{a^{2} +b^{2} } \\
b=12m\\
a=16m\\
d = \sqrt{(16m)^{2} +(12m)^{2} }\\\\d=20m
\\\\\\ \small \begin{array}{|l|} \hline b=\\ \hline 12 m \\ \hline 120 dm \\ \hline 1,2\cdot 10^{3} cm \\ \hline 1,2\cdot 10^{4} mm \\ \hline 1,2\cdot 10^{7} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline a=\\ \hline 16 m \\ \hline 160 dm \\ \hline 1,6\cdot 10^{3} cm \\ \hline 1,6\cdot 10^{4} mm \\ \hline 1,6\cdot 10^{7} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline d=\\ \hline 20 m \\ \hline 200 dm \\ \hline 2\cdot 10^{3} cm \\ \hline 2\cdot 10^{4} mm \\ \hline 2\cdot 10^{7} \mu m \\ \hline \end{array}$