how many times will A wheel of radius 14 cm have to rotate to cover a distance of 22 M bracket Pi is equal to 22 by 7
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The distance that a wheel travels in one rotation is simply the circumference of the circle.
Circumference of wheel= 2x pi x radius.
2* (22/7)*14
= 88 cm
So wheel can travel 88 cm in 1 rotation.
And it has to cover 22 metres (2200 cm)
So 2200/88=25
So wheel rotates 25 times to travel 22 meters.
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