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7 April, 11:08

A farm uses a circular system to water the crops. The arm on the system (the radius) is 400 meters long. What area of land can it water? Use 3.14 to approximate pi.

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  1. 7 April, 11:10
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    Area of a Circle = pi x radius square

    3.14 x 160,000 (radius square)

    = 502,400 meters

    The 400 meter long arm of the circular system can water 502,400 meters of crops.
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