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

Explanation

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`