Question 948842
For a cylinder,
{{{V=pi*R^2*L}}}
{{{12pi=pi*R^2*(68/10)}}}
{{{R^2=120/68}}}
{{{R^2=30/17}}}
{{{R=sqrt(30/17)=sqrt(510)/17}}}
{{{D=2R}}}
{{{D=(2/17)sqrt(510)}}}
{{{D=2.7}}}{{{cm}}}