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Mathematics
Geometry
Circles
A bicycle wheel has a diameter of 63cm.calculate how many times the wheel turns round in travelling 19.8km. Use the value 3 1/7 for pi
7 answers
19.8km = 19800m
63cm = .63m
19800m / (22/7 * .63m) = 10,000 revs
10 000 revs
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10,000
good job
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10,000 revs
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