Question 158557
{{{C=2(pi)r}}} ---------->basic eqn
Also,
{{{A=pi*r^2}}}
{{{89.42/pi=cross(pi)*r^2/cross(pi)}}}
{{{r=sqrt(89.42/pi)}}}
{{{r=5.335inches}}}
So, {{{C=2*pi*5.335}}}
{{{C=33.52inches}}}
Thank you,
Jojo