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9 November, 18:06

What is the measure of the central angle of a circle with radius 5 m that intercepts a 2 m arc round your answer to the hundredths place use pie=3.14

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  1. 9 November, 21:54
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    The arc is like the circumference, but only a fraction of it (like the crust of a pizza slice)

    ok so find what fraction of the circumference that arc is

    C=2pir

    r=5

    c=2pi5

    c=10pi

    2 out of 10pi=2/10pi=1/5pi

    whole circle=360

    1/5pi of 360=360/5pi=72/pi=72/3.14=22.9299

    round

    22.93 degrees
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