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9 February, 08:47

The hour hand of a clock is 3 feet long. How many feet does

the tip of this hand move between 9:30 p. m. and 1:30 a. m. the

following day?

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Answers (1)
  1. 9 February, 12:16
    0
    2π feet

    Step-by-step explanation:

    9:30 PM to 1:30 AM is 4 hours.

    It is 1/3 of a complete revolution.

    A full 12 hours would be 2*r*π=2*3*π

    1/3 of that is:

    1/3*2*3*π=2π

    ≈6.283185307 feet
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