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If you mean a circle with a diameter of 28 cm, the circumference is 87.96459430051421067695392... using pi to 23 decimal places.

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The answer above implies that the diameter of the circle was measure to an accuracy of 23 decimal places. Very unlikely, I suggest!

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โˆ™ 2013-03-22 11:02:08
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Q: What is the circumference of a 28 cm circle using pi?
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