Please help asap!!!!!

 

Volume of a cone is        (1/3) • pi • radius² • height 

 

Substitute values            (1/3) • 3.14 • 8.5² • 18 

 

Do the arithmetic            (1/3) • 3.14 • 72.25 • 18  =  1361.19 

 

And the answer, rounded, is                                      1361.2 cubic feet  

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