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 #1
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Volume of a Sphere

 

volume of sphere  =  \(\frac43\pi r^3\)            , where  r  is the radius of the sphere.

 

So let's plug in  3 cm  for  r  and we get...

 

volume of sphere  =   \(\frac43\pi (\ 3\ \small\text{cm}\ )^3\)     Now we can simplify the right side.

 

volume of sphere  =   \(\frac43\pi ( 27)\small\ \text{cm}^3\)

 

volume of sphere  =   \(36\pi\ \small\text{cm}^3\) .

Dec 3, 2019