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A small ferris wheel: A student is riding a 20-m-diameter ferris wheel that is making three revolutions per minute. If there are eight equally spaced seats on the Ferris wheel, then what is the length of the arc between two adjacent seats?

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jackie

  1. clearly, that would be 20π/8

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    Steve

  2. A small ferris wheel, a student is riding a 20-m-diameter ferris wheel that is making 3 revolutions per minute. What is the area of the sector between 3 of the seats (3/8) of the wheel?

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    jackie

  4. clearly that would be 3/8 of the area of the entire circle.

    I'm sure you know how to find the area of a circle...

    On the other hand, 3 consecutive seats subtend only two angles, so the area should be 2/8 of the circle, no?

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    Steve

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