Can you help me find the volume?

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My teacher requires work being shown, if it is not to much trouble. Please show work!!! Thank you!!!!

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Answer 1 · 2017-03-03T06:34:51

Given

$R->"The outer radius of the cylinder"=6m$

$r->"The inner radius of the cylinder"=2m$

$h->"The height of the cylinder"=8m$

The material volume of the cylinder

$V="outer volume "- " inner volume"$

$=>V=piR^2h-pir^2h$

$=>V=pih(R^2-r^2)$

$=>V=3.14xx8xx(6^2-2^2)m^3=803.84m^3$