Question

Find the area swept by a minute hand of t he clock of length 15 cm in 10 min.​

Answer 1

Answer:

154cm2

Step-by-step explanation:

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.