Question

how many times will a wheel of radius 49cm be rotated to travel 2772 centimetre and take π=227​

Answer 1

Answer:

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Answer 2

Answer:

25 times.you can try it this following way.

The distance that a wheel travels in one rotation is simply the circumference of the circle.

Circumference of wheel= 2* pi* 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.