Volume: Verskil tussen weergawes
Content deleted Content added
Lyn 28:
::<math>Kegel: V = \frac{1}{3}\pi r^2h</math>
::<math>Torus: V = 2 \pi^2 R r^2 </math>
== Omskakelings ==
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Lyn 28:
::<math>Kegel: V = \frac{1}{3}\pi r^2h</math>
::<math>Torus: V = 2 \pi^2 R r^2 </math>
== Omskakelings ==
| |||