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

1 Answer
Feb 20, 2017

#r=±3# inches

Explanation:

Volume of a cylinder#=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