Question 1046351

an area of circle is {{{A=r^2*pi}}}

if {{{A=452in^2}}}, then we have {{{452in^2=r^2*pi}}}...solve for {{{r}}}

{{{452in^2=r^2*3.14}}}

{{{452in^2/3.14=r^2}}}

{{{143.949in^2=r^2}}}

{{{r=sqrt(143.949in^2)}}}

{{{r=11.997876669894in}}}

{{{r=11.999in}}}