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An irrigation system uses a straight sprinkler pipe r = 350 ft long that pivots around a central point as shown. due to an obstacle the pipe is allowed to pivot through θ = 220° only. find the area irrigated by this system. (round your answer to the nearest whole number.)

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sqdancefan
The area of the full circle would be
.. A = π*(350 ft)² = 122,500π ft²

The irrigated sector is 220/360 of that area, or 235,183 ft².

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