what is the circumference of a hula hoop that has a radius of .424 meters rounded to the nearest ten

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The circumference is 2πr where r=radius and π (pi) is a fixed number = 3.1416 approx.

So r=0.424 m, 2r=0.848 m and circumference=2.7m to the nearest tenth of a metre.

by Top Rated User (1.1m points)

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