OpenStax, Algebra and Trigonometry 2e §7.1 Angles · Try It 9 · Trigonometry · Angle measure

Angles · Try It 9

In central pivot irrigation, which creates the field shapes similar to the image at the beginning of Equations and Inequalities, a large irrigation pipe on wheels rotates around a center point. A farmer has a central pivot system with a radius of 400 meters. If water restrictions only allow her to water 150 thousand square meters a day, what angle should she set the system to cover? Write the answer in radian measure to two decimal places.

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OpenStax, Algebra and Trigonometry 2e · §7.1 Angles · Try It 9

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