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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asked Mar 3, 2018 72.2k views

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Brian Westphal · Answer 1 · 2018-03-08T18:32:41+0000

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.

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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