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Math Help - spheres volumes

  1. #1
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    spheres volumes

    a spherical float is 42cm in diameter. what is its volume in liters.
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  2. #2
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     <br />
Volume_{sphere} = \frac{4}{3} \cdot \pi \cdot Radius^{3}<br />

     <br />
Radius = \frac{1}{2} \cdot Diameter<br />

     <br />
1 litre = 1000 cm^{3}<br />

    That's all you need. Let's see what you get.
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