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OpenStudy (anonymous):
What is the exact circumference of a circle if the diameter is 16 inches?
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OpenStudy (phi):
Have you learned the (*very famous*) formula for the circumference of a circle ?
OpenStudy (anonymous):
yes
OpenStudy (phi):
what is it ?
OpenStudy (anonymous):
I kind of just wanted to know the answer
OpenStudy (phi):
that is the formula for the area of a circle. Good to know, but not for this question
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OpenStudy (anonymous):
Ya wrong one it's C=pie d=2 pie r
OpenStudy (phi):
yes. and d is short of diameter. btw, it is pi (greek letter \( \pi\) ) not pie (dessert) so replace d with 16
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