Beispiel Nr: 12
$\text{Gegeben:}\\\text{Fläche des Dreiecks} \qquad A \qquad [m^{2}] \\ \text{Kathete} \qquad a \qquad [m] \\ \\ \text{Gesucht:} \\\text{Ankathete zu } \alpha \qquad b \qquad [m] \\ \\ b = \frac{A \cdot 2}{ a}\\ \textbf{Gegeben:} \\ A_{d}=\frac{3}{5}m^{2} \qquad a=1m \qquad \\ \\ \textbf{Rechnung:} \\ b = \frac{A \cdot 2}{ a} \\ A=\frac{3}{5}m^{2}\\ a=1m\\ b = \frac{\frac{3}{5}m^{2} \cdot 2}{ 1m}\\\\b=1\frac{1}{5}m \\\\\\ \tiny \begin{array}{|l|} \hline A=\\ \hline 0,6 m^2 \\ \hline 60 dm^2 \\ \hline 6\cdot 10^{3} cm^2 \\ \hline 6\cdot 10^{5} mm^2 \\ \hline 0,006 a \\ \hline 6\cdot 10^{-5} ha \\ \hline 6\cdot 10^{-7} km^2 \\ \hline \end{array} \tiny \begin{array}{|l|} \hline a=\\ \hline 1 m \\ \hline 10 dm \\ \hline 100 cm \\ \hline 10^{3} mm \\ \hline 10^{6} \mu m \\ \hline 0,001 km \\ \hline \end{array} \tiny \begin{array}{|l|} \hline b=\\ \hline 1,2 m \\ \hline 12 dm \\ \hline 120 cm \\ \hline 1,2\cdot 10^{3} mm \\ \hline 1,2\cdot 10^{6} \mu m \\ \hline 0,0012 km \\ \hline \end{array}$