$
\text{Gegeben:}\\\text{Kathete} \qquad b \qquad [m] \\
\text{Kathete} \qquad a \qquad [m] \\
\\ \text{Gesucht:} \\\text{Fläche} \qquad A \qquad [m^{2}] \\
\\ A = \frac{a\cdot b}{ 2}\\ \textbf{Gegeben:} \\ b=\frac{1}{3}m \qquad a=\frac{3}{4}m \qquad \\ \\ \textbf{Rechnung:} \\
A = \frac{a\cdot b}{ 2} \\
b=\frac{1}{3}m\\
a=\frac{3}{4}m\\
A = \frac{\frac{3}{4}m\cdot \frac{1}{3}m}{ 2}\\\\A=\frac{1}{8}m^{2}
\\\\\\ \small \begin{array}{|l|} \hline b=\\ \hline \frac{1}{3} m \\ \hline 3\frac{1}{3} dm \\ \hline 33\frac{1}{3} cm \\ \hline 333\frac{1}{3} mm \\ \hline 333333\frac{1}{3} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline a=\\ \hline \frac{3}{4} m \\ \hline 7\frac{1}{2} dm \\ \hline 75 cm \\ \hline 750 mm \\ \hline 7,5\cdot 10^{5} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline A=\\ \hline \frac{1}{8} m^2 \\ \hline 12\frac{1}{2} dm^2 \\ \hline 1,25\cdot 10^{3} cm^2 \\ \hline 1,25\cdot 10^{5} mm^2 \\ \hline 0,00125 a \\ \hline 1,25\cdot 10^{-5} ha \\ \hline \end{array}$