# spheres volumes

• Jan 14th 2009, 04:01 PM
jeff mcintosh
spheres volumes
a spherical float is 42cm in diameter. what is its volume in liters.
• Jan 14th 2009, 04:14 PM
TKHunny
$
Volume_{sphere} = \frac{4}{3} \cdot \pi \cdot Radius^{3}
$

$
Radius = \frac{1}{2} \cdot Diameter
$

$
1 litre = 1000 cm^{3}
$

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