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7 July, 01:47

The circumference of the inner circle is 44 ft. The distance between the inner circle and the outer circle is 3 ft. By how many feet is the circumference of outer circle greater than the circumference of the inner circle? Use 22/7 for pi

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  1. 7 July, 03:27
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    Answer: 18.86 feet

    Step-by-step explanation:

    The formula for determining the circumference of a circle is expressed as

    Circumference = πD

    Where D represents the diameter of the circle.

    The circumference of the inner circle is 44 ft. It means that

    22/7 * D = 44

    22D = 7 * 44 = 308

    D = 308/22

    D = 14 ft

    The distance between the inner circle and the outer circle is 3 ft. This means that the diameter of the outer circle would be

    14 + 3 + 3 = 20 ft

    Circumference of the outer circle is

    22/7 * 20 = 62.86 ft

    The number of feet by which the circumference of outer circle is greater than the circumference of the inner circle is

    62.86 - 44 = 18.86 feet
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