Fewpal
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The wheels of a car are of diameter 80 cm each. How many complete revolutions does each wheel make in 10 minutes when the car is travelling at a speed of 66 km per hour?

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Solution: Distance covered in 10 minutes = (66/60) x 10 = 11 km

Circumference = πd = 80π

10 circle area exercise solution

Number of revolutions

10 circle area exercise solution

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