SOLUTION: The wheel on Ed's chair has a radius of 30 cm. If he travels 548*pi cm, the wheel will rotate ? times.

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Question 587858: The wheel on Ed's chair has a radius of 30 cm. If he travels 548*pi cm, the wheel will rotate ? times.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The circumference is
+C+=+2%2Api%2A30+
+C+=+60%2Api+
+%28548%2Api%29+%2F+%2860%2Api%29+ = 9 and 8/60 cm
+8%2F60+=+48%2F360+
Ed's wheel rotates 9 times plus 48 degrees