A pulley rotates through 64° in one minute. How many rotations (to the nearest tenth of a rotation) does the pulley make in an hour? O A. 192 rotations O B. 21.333 rotations O C. 384 rotations O D. 10.667 rotations

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A: Given query is to find the period of the function.

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A: Solution is given below:

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A: if θ is measured in degrees  than area of sector is Area=θ360°×πr2

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