How many revolutions will a circular disk with a diameter of 3 feet have completed after it has rolled 18 feet?

Ganeshragav asked Mar 28, 2023

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Ganeshragav asked Mar 28, 2023

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14 votes

SOLUTION

The circumference of a circle is given as:

$C=\pi d$

The diameter of the circular disc is 3 feet'

It follows:

$\begin{gathered} C=3\pi \\ C=9.4 \end{gathered}$

Therefore the number of revolution is:

Therefore the number of revolution is approximately 2 revolutions

Malavika answered Apr 4, 2023

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