How many times will the wheel of a car rotaote in a journey of 88km if the diameter of the wheel us 56cm?
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Answer:
88km = 88000 m.
circumference of wheel = 2πr
2×22÷7×56÷2
176 cm.
176 cm= 1.76 m
no.of.revolutions =distance/ circumference of wheel.
80000÷1.76 =
50,000.
it rotates 50,000 times to a journey of 88 km.....
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