Kaushal rolls a wheel along a straight.Tge distance covered by the wheel is 19.8metres.If the wheel makes 21 rotations,then what is the radius of the circle?

Open in App

Solution

Distance covered by wheel on single rotation =2πr
Distance travelled in 21rotation =21×2πr
=42πr=19.8
r=19.8÷(42π)
=0.15 metre=15 centimeter.

Like if satisfied

Suggest Corrections

Similar questions

\frac{4}{π}

(π = \frac{22}{7})

The diameter of a bike wheel is 80 cm. What is the number of complete rotations that the wheel makes to cover a distance of 176 m?

2000

887 km

Join BYJU'S Learning Program