Question 880928
{{{A = pi*r^2}}}



{{{236 = pi*r^2}}}



{{{236/pi = r^2}}}



{{{r^2 = 236/pi}}}



{{{r = sqrt(236/pi)}}} <font color="red"><--- Exact Radius</font> (in terms of *[Tex \Large \pi])



{{{r = sqrt(236/3.14)}}}



{{{r = 8.66944}}} <font color="blue"><--- Approximate Radius</font> (using the approximation *[Tex \Large \pi \approx 3.14])