The radius of a wheel of a car is 28 cm.find the number of rotations made by the wheel in order to cover a distance of 4.4km
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Answer:
2πr =2×22/7×28
=2×22×4
=8×22
=176cm
4.4km = 440,000 cm
so , when we divide length of wheel by distance then we get total no. of rotation = 440,000/176
=2,500
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