Question 1170278
Formula for volume of a cylinder, and keeping all lengths as inches, {{{4=100*36*pi*r^2}}}, and diameter is {{{2r}}}.


and then a few steps of just simple algebra:
{{{1=25*36pi*r^2}}}

{{{r^2=1/(25*36*pi)}}}

{{{r=1/(5*6*sqrt(pi))}}}

{{{2r=1/(15*sqrt(pi))}}}


{{{highlight(2r=0.0376)}}}



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