Keglestub
\( A = \pi \cdot \left( R^2 + s \cdot \left( r + R \right) + r^2 \right) \)
\( V = \frac{1}{3} \cdot \pi \cdot h \cdot \left( r^2 + R^2 + r \cdot R \right) \)
Keglestub |
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\( O_A = \pi \cdot s \cdot \left( r + R \right) \) \( A = \pi \cdot \left( R^2 + s \cdot \left( r + R \right) + r^2 \right) \) \( V = \frac{1}{3} \cdot \pi \cdot h \cdot \left( r^2 + R^2 + r \cdot R \right) \) | |
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Keglestub - udfoldet |
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\( k = 2 \cdot s_2 \cdot \sin \left( \frac{v}{2} \right) \) \( v = 360^\circ \cdot \frac{R}{s_2} \) \( s_2 = \text{Keglens sidelængde} \) \( v = udsnitsvinklen \) \( R = \text{Se keglestub ovenfor} \) |  |
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