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24 July, 04:16

A circle has a diameter of 42 mm. What is the circumference of this circle? (use 22/7 for pi; show your work in numbers)

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  1. 24 July, 06:40
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    132

    Step-by-step explanation:

    Find Radius (r)

    42/2 = 21

    Plug 21 into Circumference Equation

    2πr (In this case, π is 22/7)

    Simplify

    42 (22/7)

    132
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