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OpenStudy (anonymous):

Find the exact circumference r=3 1/2 ft.

OpenStudy (anonymous):

@AlexandervonHumboldt2

OpenStudy (alexandervonhumboldt2):

7/2*2*3.14=

OpenStudy (anonymous):

32.97

OpenStudy (alexandervonhumboldt2):

38.465

OpenStudy (anonymous):

thx

OpenStudy (anonymous):

A. 14π ft B. 7π ft C. 3.5π ft D. 1.75π f

OpenStudy (alexandervonhumboldt2):

B. 7π ft

OpenStudy (anonymous):

thx

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