The circumference of the disk is 78.5 cm. What is the circumference of the circular arc of 32° on the disc?

Correct answer:

o =  31.9651 cm

Step-by-step explanation:

p=78.5 cm  p=2 πr r=p/(2π)=78.5/(2 3.1416)12.4937 cm  o=2 r+p 36032=2 12.4937+78.5 36032=31.9651 cm

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