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

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