Using estimation, what is the radius of a cylinder with a 16 inch height and a volume of 452 Inches^3?

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Answer 1 · 2017-02-20T13:48:45

$r = \pm 3$ $r=±3$ inches

Volume of a cylinder $= π r^{2} h$ $=pir^2h$

$:.pir^2h=452$ cubic inches

$:.r^2=452/(pih)$

$:.r^2=452/(3.1415922654 xx 16)$

$:.r^2=452/50.26548246$

$:.r^2=8.992254284$

$r=sqrt8.992254284$

$:.r=±2.998708769$ inches

$:.r=±3$ inches