A man is trying to enclose a round pasture. He has 240 feet of fence. How big(area) of a pasture can he enclose?
circumference = pi * d
240 = pi * d
d = 240/pi
radius = 1/2 d = 120/pi
Area = pi r^2
= pi ( 120/pi)^2 = 14400/pi ft2
+37146 
