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$ V =\frac{1}{3} G\cdot h $
$ G = \frac{3 \cdot V}{h} $
$ h = \frac{3 \cdot V}{G} $
$ O = G +M $
$ G = O-M $
$ M = O- G $
$ \text{Rechteckige Pyramide} $
$ \text{Quadratische Pyramide} $
Geometrie-Stereometrie-Pyramide
$V =\frac{1}{3} G\cdot h$
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$G = \frac{3 \cdot V}{h}$
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$h = \frac{3 \cdot V}{G}$
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$O = G +M $
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$G = O-M$
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$M = O- G $
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$\text{Rechteckige Pyramide}$
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$\text{Quadratische Pyramide}$
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Beispiel Nr: 09
$\begin{array}{l}
\text{Gegeben:}\\
\text{Länge der Seite } \qquad a \qquad [m] \\
\text{Körperhöhe } \qquad h \qquad [m] \\
\\ \text{Gesucht:} \\
\text{Diagonale } \qquad d \qquad [m] \\
\text{Seitenkante } \qquad s \qquad [m] \\
\text{Grundfläche} \qquad G \qquad [m^{2}] \\
\text{Mantelfläche} \qquad M \qquad [m^{2}] \\
\text{Volumen} \qquad V \qquad [m^{3}] \\
\\ \text{Quadratische Pyramide}\\ \textbf{Gegeben:} \\ a=18m \qquad h=9m \\ \\ \textbf{Rechnung:} \\
\text{Pythagoras im} \bigtriangleup ABC \qquad
d=\sqrt{a^2+a^2} \\
d=\sqrt{(18m)^2+(18m)^2} =25,5m \\
\text{Pythagoras im} \bigtriangleup LM_1S \qquad
h_1=\sqrt{\left(\dfrac{a}{2}\right)^2+h^2} \\
h_1=\sqrt{\left(\dfrac{18m}{2}\right)^2+(9m)^2} =12,7m \\
\text{Pythagoras im} \bigtriangleup ALS \qquad
s=\sqrt{\left(\dfrac{d}{2}\right)^2+h^2} \\
s=\sqrt{\left(\dfrac{25,5m}{2}\right)^2+(9m)^2} =15,6m \\
\text{Mantelfläche} \qquad
M= 4 \cdot \dfrac{1}{2} a \cdot h_1 \\
M= 4 \cdot \dfrac{1}{2} 18m \cdot 12,7m =458m^{2} \\
\text{Grundfläche} \qquad
G= a^2 \\
G= (18m)^2=324m^{2} \\
\text{Oberfläche} \qquad
O= G+M \\
O= 324m^{2}+458m^{2}=782m^{3} \\
\text{Volumen} \qquad
V= \dfrac{1}{3} a^2 \cdot h \\
V= \dfrac{1}{3} (18m)^2 \cdot 9m =972m^{3} \\
\measuredangle CAS \qquad \tan \eta=\frac{h}{\frac{1}{2}d} \\
\tan \eta=\frac{9m}{\frac{1}{2}25,5m} \\
\eta=35,3 ^{\circ}\\
\measuredangle SM_1L \qquad \tan \epsilon=\frac{h}{\frac{1}{2}a} \\
\tan \epsilon=\frac{9m}{\frac{1}{2}18m} \\
\epsilon=45^{\circ} \\
\\\\\\ \small \begin{array}{|l|} \hline a=\\ \hline 18 m \\ \hline 180 dm \\ \hline 1,8\cdot 10^{3} cm \\ \hline 1,8\cdot 10^{4} mm \\ \hline 1,8\cdot 10^{7} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline h=\\ \hline 9 m \\ \hline 90 dm \\ \hline 900 cm \\ \hline 9\cdot 10^{3} mm \\ \hline 9\cdot 10^{6} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline V=\\ \hline 972 m^3 \\ \hline 9,72\cdot 10^{5} dm^3 \\ \hline 9,72\cdot 10^{8} cm^3 \\ \hline 9,72\cdot 10^{11} mm^3 \\ \hline 9,72\cdot 10^{5} l \\ \hline 9,72\cdot 10^{3} hl \\ \hline \end{array} \small \begin{array}{|l|} \hline d=\\ \hline 25,5 m \\ \hline 254\frac{43}{77} dm \\ \hline 2,55\cdot 10^{3} cm \\ \hline 2,55\cdot 10^{4} mm \\ \hline 2,55\cdot 10^{7} \mu m \\ \hline \end{array}\\ \small \begin{array}{|l|} \hline h1=\\ \hline 12,7 m \\ \hline 127 dm \\ \hline 1,27\cdot 10^{3} cm \\ \hline 1,27\cdot 10^{4} mm \\ \hline 1,27\cdot 10^{7} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline h2=\\ \hline 12,7 m \\ \hline 127 dm \\ \hline 1,27\cdot 10^{3} cm \\ \hline 1,27\cdot 10^{4} mm \\ \hline 1,27\cdot 10^{7} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline s=\\ \hline 15,6 m \\ \hline 156 dm \\ \hline 1,56\cdot 10^{3} cm \\ \hline 1,56\cdot 10^{4} mm \\ \hline 1,56\cdot 10^{7} \mu m \\ \hline \end{array} \small \begin{array}{|l|} \hline M=\\ \hline 458 m^2 \\ \hline 4,58\cdot 10^{4} dm^2 \\ \hline 4,58\cdot 10^{6} cm^2 \\ \hline 4,58\cdot 10^{8} mm^2 \\ \hline 4,58 a \\ \hline 0,0458 ha \\ \hline \end{array}\\ \small \begin{array}{|l|} \hline G=\\ \hline 324 m^2 \\ \hline 3,24\cdot 10^{4} dm^2 \\ \hline 3,24\cdot 10^{6} cm^2 \\ \hline 3,24\cdot 10^{8} mm^2 \\ \hline 3\frac{6}{25} a \\ \hline 0,0324 ha \\ \hline \end{array} \small \begin{array}{|l|} \hline O=\\ \hline 782 m^3 \\ \hline 7,82\cdot 10^{5} dm^3 \\ \hline 7,82\cdot 10^{8} cm^3 \\ \hline 7,82\cdot 10^{11} mm^3 \\ \hline 7,82\cdot 10^{5} l \\ \hline 7,82\cdot 10^{3} hl \\ \hline \end{array} \end{array}$