Geometrie-Stereometrie-Quader


  • $V = a\cdot b\cdot c$
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    $a = \frac{ V}{b\cdot c}$
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    $b = \frac{ V}{a\cdot c}$
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    $c = \frac{ V}{b\cdot a}$
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    $O = 2\cdot (a\cdot b + a\cdot c + b\cdot c)$
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    $a = \frac{O-2\cdot b\cdot c}{2\cdot (b+c)}$
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    $b = \frac{O-2\cdot a\cdot c}{2\cdot (a+c)}$
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    $c = \frac{O-2\cdot b\cdot a}{2\cdot (b+a)}$
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    $d = \sqrt{a^{2} +b^{2} +c^{2} }$
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    $a = \sqrt{d^{2} -b^{2} -c^{2} }$
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    $b = \sqrt{d^{2} -a^{2} -c^{2} }$
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    $c = \sqrt{d^{2} -b^{2} -a^{2} }$
    1 2