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two circles have circumference of 10p cm and 12p cm. what is the difference in their radii

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chido

  1. 2 pi R2 = 12
    2 pi R1 = 10

    R2 - R1 = 12/(2 pi) - 10/(2 pi)
    = 2/(2 pi)
    = 1/pi

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    Damon

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