A wheel has a diameter of 42 cm.Find how many revolutions must it take to cover 792m
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Answer:
600
Step-by-step explanation:
diameter of wheel = 42 cm.
Circumference of wheel = πd = 22/7*42 = 132 cm.
Thus, to cover a distance of 132 cm, number of revolution =1
To cover a distance of 792 m = 79200 cm
number of revolutions = 79200/132 = 600
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