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Today, 14:36

The circumference of the circle shown below is 75 inches. Which expression gives the length in inches of?

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  1. Today, 14:45
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    The question asks for the length of the arc of a sector of 72°.

    Then, you can apply this proportion, naming the curcumference C:

    C / 360° = arc / 72°

    => arc = 72° * C / 360°

    Now use C = 75 in

    => arc = 72° * 75 in / 360 =.15 in

    Answer: the length of the arc is 15 in.
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