The diameter of the wheel of a car is 70 cm. How many revolutions will it make to travel 99 km??
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diameter = 70cm
radius = d/2 = 70 / 2 =35
circumference of circle = 2πr
= 2 × 22/7 ×35
=220cm
no of revolution = circumference/distance
= 220/99
2.2
radius = d/2 = 70 / 2 =35
circumference of circle = 2πr
= 2 × 22/7 ×35
=220cm
no of revolution = circumference/distance
= 220/99
2.2
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