10. A bicycle wheel has diameter 77 cm. Find how many turns the wheel makes when the bicycle travels 350 metres.
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Answer:
1,21,000
Step-by-step explanation:
diameter = 70 cm
turns = 350 m
so,
distance in one revolution
= circumference of wheel
= 11πr
= 11×(11/7)×350 m
= 11×11×35,000
= 11×11×100
= 1,21,000 cm
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