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A driving wheel of a bicycle is $28\ cm$ in radius; find the distance it travels in making $300$ revolutions?
Given: A driving wheel of a bicycle is $28\ cm$ in radius and it makes $300$ revolutions.
To do: To find the distance it travels in making $300$ revolutions.
Solution:
Here as given, radius of the wheel$=28$
Number of revolution$=300$
Distance travelled in $300$ revolution $=300\times2\pi r$
$=300\times2\times\frac{22}{7}\times28\ cm$
$=52800\ cm$
$=\frac{52800}{100}\ metre$ [$\because$ $1\ metre=100\ cm$]
$=528\ metre$
Updated on: 10-Oct-2022
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