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The volume of a​ cone-shaped hole is 21π ft cubed 3. If the hole is 7 ft​ deep, what is the radius of the​ hole?

 Apr 8, 2020
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Volume of a cone: \(V=πr^2h/3\)

So, plug in all of the values to get

 

21π ft^3=πr^2*3.5

 

Can you get it from here?

 Apr 8, 2020

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