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

Question

927 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-02-20T13:48:45

#r=±3# inches

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