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16-01-2018
Mathematics

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Circumference of a hula hoop

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16-01-2018

The average diameter of an adult hula hoop is 40 in, so the circumference of the hula hoop is 40 x 3.14 = 126 in. The average size of a child's hula hoop is 20 in making the circumference about 28 x 3.14 = 88 in.

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