<PRE><B>Question 1103866</B>
circumference of a circle
C=2*pi*r
C=2*3.14159265359*13=81.6814089933
29 out of 60 minutes=29/60
81.6814089933*29/60=39.4793476801 inches

If you want an exact answer leave in units of pi and improper fraction
C=2*pi*13=26*pi
26*pi*29/60=13*29/30*pi=377/30*pi inches 
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