Question 895369
{{{V=piR^2*H}}}
{{{pi*R^2*10=900}}}
{{{pi*R^2=90}}}
Using an approximation of {{{pi=3}}}
{{{R^2=30}}}
Approximating the square root.
{{{R=5.5}}}{{{cm}}}
The exact solution is,
{{{R=5.352}}}{{{cm}}}