Question 120442
{{{C = 2*pi*r}}}
{{{C = 56.52}}}
{{{56.52 = 2*3.14*r}}}
{{{r = 56.52 / 6.28}}}
{{{r = 9}}} in
{{{A = pi*r^2}}}
{{{A = 3.14*9^2}}}
{{{A = 254.3}}}in2