The inner ring of a hula hoop has a radius of 18 inches. Which expression can be used to find its circumference, C, in inches? A C = 18 × π B C = (18)2 × π C C = 2 × 18 × π D C = 2 × (18)2 × π

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asked Jan 6, 2018 39.9k views

4 votes

The inner ring of a hula hoop has a radius of 18 inches. Which expression can be used to find its circumference, C, in inches?

A C = 18 × π

B C = (18)2 × π

C C = 2 × 18 × π

D C = 2 × (18)2 × π

Mathematics
middle-school

MinhD asked

by MinhD

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7 votes

I think your answer is B

GuiTeK answered Jan 7, 2018

by GuiTeK

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5 votes

B ; because like uk C equals (18)2 & that becomes into 36 so then u multiply it by pi and its 3.14 .

Twitchax answered Jan 9, 2018

by Twitchax

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