a bicycle wheel a bicycle wheel has a diameter of 70 cm how many times what the the wheel rotate to cover a distance of 4.4 km the wheel rotate to cover a distance of 4.4 km?
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Step-by-step explanation: we wheel is in the form of circle so, we consider the circumference of circle that is 2×pi×r
Given diameter=70 then radius =35cm=35×10^-5km
1. How many times what the wheel is rotated is n×2×3.14×35×10^-5=4.4
Therefore n= 2002 times
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