SOLUTION: A large, irrigated crop circle is 400 meters in radius. Correct to the nearest tenth of a hectare, how many hectares of land are contained in this circle.

Algebra ->  Algebra  -> Circles -> SOLUTION: A large, irrigated crop circle is 400 meters in radius. Correct to the nearest tenth of a hectare, how many hectares of land are contained in this circle.       Log On

Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!

   

Question 232659: A large, irrigated crop circle is 400 meters in radius. Correct to the nearest tenth of a hectare, how many hectares of land are contained in this circle.

Answer by ankor@dixie-net.com(7696) About Me  (Show Source):
You can put this solution on YOUR website!
A large, irrigated crop circle is 400 meters in radius. Correct to the nearest tenth of a hectare, how many hectares of land are contained in this circle.
A = pi%2Ar%5E2
A = pi%2A400%5E2
A = 502654.8246 sq/meters
:
We know a hectare is 10,000 sq/meters
+502654.8246%2F10000 = 50.3 hectares