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In the accompanying diagram, a right circular cone is carved out of a solid foam cylinder and discarded. What is the volume of the foam remaining in the cylinder?

 

 Aug 16, 2020
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volume of original cylinder    -      volume of cone   =   volume remaining

 

pi r^2 h                                   -   1/3 pi r^2 h    = volume remaining

 

 

r  and h are the same for both of the figures

 

pi r^2 h ( 1 - 1/3)

pi  52  6  (2/3)  = ..........   units3

 Aug 16, 2020

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