Question

the minute hand of a clock is 15cm . calculate the area swept by it in 20 minutes . take π =3.14

Answer 1

Given, radius of the minutes hand= 14cmIn 15 minutes, the minutes hand of the clock rotates by 90°. ∴ Area covered by minutes hand in 15 minuites= {(90° / 360°)} × π × r2                                                                             = {1/4} × (22/7) × (14)2                                                                             = 154 cm2 Hence, the area swept by the minutes hand in 15 minutes is 154 cm2.
please mark me as a brainliest

Answer 2

I hope this helps you