Need math help with #5 (please answer correctly, chat me for answer choices if needed)

label Mathematics
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Nov 20th, 2015

Thank you for the opportunity to help you with your question!

AB=4mm, the approximate circumference=2pir=2*4*pi=8pi

the answer is 8pi. 

Please let me know if you need any clarification. I'm always happy to answer your questions.
Nov 20th, 2015

48

24

100

75

Nov 20th, 2015

please answer

Nov 20th, 2015

the answer is 8pi, or you can write the answer 25

does it have any condition for rounding to which decimal?

Nov 20th, 2015

no it has to be one of the choices I just gave you

Nov 20th, 2015

the answer is B. 24

Nov 20th, 2015

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Nov 20th, 2015
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Nov 20th, 2015
Jun 28th, 2017
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