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8 December, 12:20

The outer edge of the dime is about 55mm. What is the approximate length of the radius?

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  1. 8 December, 15:50
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    To find the approximate length of the radius, you will use the formula for finding the circumference of a circle and solve for the radius (r).

    C = 2 x pi x r

    55 = 2 x 3.14 x r

    55 = 6.28 x r

    6.28 6.28

    r = 9.2 mm

    The approximate radius is 9.2 mm.
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