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OpenStudy (anonymous):
Find the exact circumference, in terms of , of a circle with the given radius. 3¼ inches
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OpenStudy (anonymous):
2* pi * radius
OpenStudy (anonymous):
It would be 20.4 correct?
OpenStudy (phi):
To be exact, you must say something like \( 2*3.25*\pi= 6.5 \pi \) As you know, pi is a number with unending decimals: 3.14159.... with no pattern if you round pi to 3.14 you will not get an "exact" answer, just a close one.
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