$ \text{Gegeben:}\\\text{Breite} \qquad b \qquad [m] \\ \text{Länge} \qquad a \qquad [m] \\ \\ \text{Gesucht:} \\\text{Umfang} \qquad U \qquad [m] \\ \\ U = 2\cdot a + 2\cdot b\\ \textbf{Gegeben:} \\ b=\frac{15}{17}m \qquad a=0m \qquad \\ \\ \textbf{Rechnung:} \\ U = 2\cdot a + 2\cdot b \\ b=\frac{15}{17}m\\ a=0m\\ U = 2\cdot 0m + 2\cdot \frac{15}{17}m\\\\U=1\frac{13}{17}m \\\\\\ \small \begin{array}{|l|} \hline b=\\ \hline \frac{15}{17} m \\ \hline 8\frac{14}{17} dm \\ \hline 88\frac{4}{17} cm \\ \hline 882\frac{6}{17} mm \\ \hline 882352\frac{16}{17} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline a=\\ \hline 0 m \\ \hline 0 dm \\ \hline 0 cm \\ \hline 0 mm \\ \hline 0 \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline U=\\ \hline 1\frac{13}{17} m \\ \hline 17\frac{11}{17} dm \\ \hline 176\frac{8}{17} cm \\ \hline 1764\frac{12}{17} mm \\ \hline 1764705\frac{15}{17} \mu m \\ \hline \end{array}$