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In a circle, how many times longer is the circumference c than the diameter d?

User Oleh
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1 Answer

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The circumference of the circle:
C=2\pi r

The diameter:
d=2r


(C)/(d)=(2\pi r)/(2r)=\pi

Answer: The circumference of the circle is π times longer than the diameter.
User IAmNotARobot
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