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22 October, 09:09

What is the perimeter of a semicircle with a diameter of 18?

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  1. 22 October, 11:32
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    The perimeter is 56.52 units

    Step-by-step explanation:

    The The perimeter of a circle is π * d where d is the diameter

    So

    P = pi * d

    since d is 18 so putting in the equation

    P = 3.14 * 18

    P = 56.52
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