the radius of a wheel of a bus is 0.70m.how many revolution will it make in covering 22km?
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Step-by-step explanation:
0.70m is the radius of the wheel
0.70÷1000 = 0.0007 km
Circumference = 2×22/7×0.0007
= 2×22×0.0001
= 44×0.0001
= 0.0044km
Revolutions taken for the wheel to cover 22 km = 22×0.0044
= 0.968 km
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