A bicycle wheel makes 5000 revolutions in moving 11km.Find the circumference and the diameter of the wheel.
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Answer:
Step-by-step explanation:
1 km = 100000 cm
11 km = 11*100000
=> 1100000 cm
Total distance
= Circumference*No. of revolutions
1100000 = C*5000
=> C = 1100000/5000
=> C = 220 cm
Circumference = 2πr. (d = 2r)
=> 220 = 22/7*d
=> 220*7/22 = d
=> 70 cm = d
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