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$ V = \frac{1}{3}\cdot r^{2} \cdot \pi \cdot h $
$ r = \sqrt{\frac{3\cdot V}{\pi \cdot h}} $
$ h = \frac{3\cdot V}{r^{2} \cdot \pi } $
$ O = r\cdot \pi \cdot (r+s) $
$ s = \frac{ O}{r\cdot \pi } - r $
$ r = \frac{-\pi \cdot s + \sqrt{(\pi \cdot s)^{2} +4\cdot \pi \cdot O}}{ 2\cdot \pi } $
$ M = r\cdot \pi \cdot s $
$ s = \frac{ M}{r\cdot \pi } $
$ r = \frac{ M}{s\cdot \pi } $
$ s =\sqrt{h^{2} + r^{2} } $
$ r =\sqrt{s^{2} - h^{2} } $
$ h =\sqrt{s^{2} - r^{2} } $
Geometrie-Stereometrie-Kreiskegel
$V = \frac{1}{3}\cdot r^{2} \cdot \pi \cdot h$
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$r = \sqrt{\frac{3\cdot V}{\pi \cdot h}}$
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$h = \frac{3\cdot V}{r^{2} \cdot \pi }$
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$O = r\cdot \pi \cdot (r+s)$
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$s = \frac{ O}{r\cdot \pi } - r$
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$r = \frac{-\pi \cdot s + \sqrt{(\pi \cdot s)^{2} +4\cdot \pi \cdot O}}{ 2\cdot \pi }$
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$M = r\cdot \pi \cdot s$
$s = \frac{ M}{r\cdot \pi }$
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$r = \frac{ M}{s\cdot \pi }$
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$s =\sqrt{h^{2} + r^{2} }$
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$r =\sqrt{s^{2} - h^{2} }$
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$h =\sqrt{s^{2} - r^{2} }$
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Beispiel Nr: 01
$\begin{array}{l}
\text{Gegeben:}\\\text{Höhe} \qquad h \qquad [m] \\
\text{Kreiszahl} \qquad \pi \qquad [] \\
\text{Volumen} \qquad V \qquad [m^{3}] \\
\\ \text{Gesucht:} \\ \text{Radius} \qquad r \qquad [m] \\
\\ r = \sqrt{\frac{3\cdot V}{\pi \cdot h}}\\ \textbf{Gegeben:} \\ h=3\frac{16}{113}m \qquad \pi=4 \qquad V=7m^{3} \qquad \\ \\ \textbf{Rechnung:} \\
r = \sqrt{\frac{3\cdot V}{\pi \cdot h}} \\
h=3\frac{16}{113}m\\
\pi=4\\
V=7m^{3}\\
r = \sqrt{\frac{3\cdot 7m^{3}}{4 \cdot 3\frac{16}{113}m}}\\\\r=1,29m
\\\\\\ \small \begin{array}{|l|} \hline h=\\ \hline 3\frac{16}{113} m \\ \hline 31,4 dm \\ \hline 314 cm \\ \hline 3,14\cdot 10^{3} mm \\ \hline 3141592\frac{7}{10} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline V=\\ \hline 7 m^3 \\ \hline 7\cdot 10^{3} dm^3 \\ \hline 7\cdot 10^{6} cm^3 \\ \hline 7\cdot 10^{9} mm^3 \\ \hline 7\cdot 10^{3} l \\ \hline 70 hl \\ \hline \end{array} \small \begin{array}{|l|} \hline r=\\ \hline 1,29 m \\ \hline 12,9 dm \\ \hline 129 cm \\ \hline 1,29\cdot 10^{3} mm \\ \hline 1,29\cdot 10^{6} \mu m \\ \hline \end{array} \end{array}$