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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

User MinhD
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2 Answers

7 votes
I think your answer is B
User 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 .
User Twitchax
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