A bicycle wheel makes $2, 500$ revolution in moving $11\ km$. Find the circumference of the wheel.


Given: A bicycle wheel makes $2500$ revolution in moving $11\ km$.

To do: To find the circumference of the wheel.

Solution:

Let the radius of the wheel be $r$ cm.

Distance covered by the wheel in one revolution$=\frac{11}{5000}\ km = 220\ cm$

$2\pi r=220$

$2\times\frac{22}{7}\times r=220$

$r=35\ cm$

Diameter$=2r=70\ cm$

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Updated on: 10-Oct-2022

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