SOLUTION: 25 meters and {{{I have looked to see if I can get help and do not see this anywhere. I am lost for this one.
Crop circles. The expression πr2 gives the area of a circle wi
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Question 354211: 25 meters and I have looked to see if I can get help and do not see this anywhere. I am lost for this one.
Crop circles. The expression πr2 gives the area of a circle with radius r. How many square meters of wheat were destroyed when an alien ship made a crop circle of diameter 25 meters in the wheat field at the Southwind Ranch?
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Start with the formula for the area of a circle:
but you want this in terms of the diameter, and , so...
Substitute D = 25 meters and as an approximation.
evaluate.
square meters.
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