Question

The Length Of A Minute Hand Of A Clock Is 14 Cm. The Area Swept By The Minute Hand In One Minute Is ??

Answer 1

Answer:

2.57 cm²

Step-by-step explanation:

π x 14²x 1/60  [as there are 60 divisions in the clock.....and minute hand  covers only one division]

    =2.57 cm²

Answer 2

Step-by-step explanation:

swept by minute hand in 60 minutes = 360 degree

in 1 minute swept = 360/60 = 6

in 5 minutes swept = 6×5= 30 degree

Now area swept by minute hand in 5 minutes

= pie r^2 × pie/6) / 2pie

= r^2 pie/ 12

= 196 × 3.14/12 = 51.28 cm^2