Question

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

Answer 1

HERE IS YOUR ANSWER →

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

= π r² × π/6) / 2π

= r² π/ 12

= 196 × 3.14/12 = 51.28 cm²

Answer 2

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