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The volume of a cylinder is 100. Another cylinder has twice the height but the same radius. What is the volume of the second cylinder?

 Nov 15, 2020
 #1
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I'm answering the original question

 

Volume of first cylinder is  given   by

 

V =  pi * r^2  * h

 

The volume of the new cylinder is given by

 

V = p * (r/2)^2 * 2h  =   pi * r^2/4 * 2h  =  [ pi * r^2 * h ]  / 2

 

So.....the new cylinder has 1/2 the volume of the original = 50

 

cool cool cool

 Nov 15, 2020

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