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Which circles have a circumference of 18pi units?

Choose all answers that are correct.

A.a circle with a radius of 9 units

B.a circle with a radius of 18 units
C.a circle with a diameter of 18 units

D.a circle with a diameter of 36 units

User Jorisw
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1 Answer

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It's A and C, I've taken a test that has this question and it was correct when I answered this, so A and C is your answer.
User Mossawi
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