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The length of the minute hand of a clock...

The length of the minute hand of a clock is `14` cm. Find the area swept by the minute hand in `5` minutes.

Text Solution

Verified by Experts

given that `r=14`cm
in 60min`-> area= pi r^2`
in 5 min `-> area= pi r^2/60 * 5`
`= 22/7*14*14*5/60cm^2`
`= 22*7/3cm^2`
`=154/3cm^2`
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Knowledge Check

  • The length of the minute hand of the clock is 6 cm. The area swept by the minute hand in 30 minutes is :

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