You can put this solution on YOUR website! the circumference of a circle is 13pie feet. find its radius and area.
----
Circum = 2*pi*r = 13pi
r = 13/2 = 6.5 ft. (radius)
------
Area = pi*r^2 = pi*6.5^2 = 42.5pi sq ft.
----------------
Cheers,
Stan H.
-----------------
(