



 
Hi Clinton, The volume of a cylinder of radius $r$ feet and height $h$ feet is $\pi \;\times r^2 \times h$ cubic feet. Hence a silo of diameter 10 feet and height 10 feet has volume \[\pi \; \times \left( \frac{10}{2} \right)^2 \times 10 = \pi \; \times 25 \times 10 = 785.4 \mbox{ cubic feet.}\] You can also get this result using our volume calculator at http://mathcentral.uregina.ca/volume_calculator. Penny  


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