Beispiel Nr: 11
$\text{Gegeben:}\\\text{Fläche des Dreiecks} \qquad A \qquad [m^{2}] \\ \text{Kathete} \qquad a \qquad [m] \\ \\ \text{Gesucht:} \\\text{Ankathete zu } \alpha \qquad b \qquad [m] \\ \\ b = \frac{A \cdot 2}{ a}\\ \textbf{Gegeben:} \\ A_{d}=1\frac{1}{5}m^{2} \qquad a=1\frac{1}{2}m \qquad \\ \\ \textbf{Rechnung:} \\ b = \frac{A \cdot 2}{ a} \\ A=1\frac{1}{5}m^{2}\\ a=1\frac{1}{2}m\\ b = \frac{1\frac{1}{5}m^{2} \cdot 2}{ 1\frac{1}{2}m}\\\\b=1\frac{3}{5}m \\\\\\ \tiny \begin{array}{|l|} \hline A=\\ \hline 1,2 m^2 \\ \hline 120 dm^2 \\ \hline 1,2\cdot 10^{4} cm^2 \\ \hline 1,2\cdot 10^{6} mm^2 \\ \hline 0,012 a \\ \hline 0,00012 ha \\ \hline 1,2\cdot 10^{-6} km^2 \\ \hline \end{array} \tiny \begin{array}{|l|} \hline a=\\ \hline 1,5 m \\ \hline 15 dm \\ \hline 150 cm \\ \hline 1,5\cdot 10^{3} mm \\ \hline 1,5\cdot 10^{6} \mu m \\ \hline 0,0015 km \\ \hline \end{array} \tiny \begin{array}{|l|} \hline b=\\ \hline 1,6 m \\ \hline 16 dm \\ \hline 160 cm \\ \hline 1,6\cdot 10^{3} mm \\ \hline 1,6\cdot 10^{6} \mu m \\ \hline 0,0016 km \\ \hline \end{array}$