<PRE><B>Question 899159</B>
From the information given, the area of the square turns out to be 25.

This is the same area of the circle.

25 = pi*r^2

Solve for r.

25/pi = r^2

Now take square root of both sides.


sqrt{25/pi} = sqrt{r^2}

5/sqrt{pi} = r


Did you follow?</PRE>