Question 343477
For a cylinder,
{{{V=pi*R^2*H}}}
{{{54*pi=pi*R^2*6}}}
{{{R^2=9}}}
{{{R=3}}}
The circumference of a circle is,
{{{C=2*pi*R}}}
{{{C=2*pi*3}}}
{{{highlight(C=6*pi)}}}