Question

The length of the minute hand of a clock is 12 cm. Then the area swept by the minute
hand in one minute will be

Answer 1

In 60 minutes, the minutes hand covers 360 degrees. or angle of 2 π or the full circle.

In one minute it sweeps an angle of 2π / 60 or  1/60th of the area of full circle.

Area of the sector it sweeps in one minute = π r² / 60 = π * 12² / 60 = 7.54 cm²

Answer 2

Answer:

ar o sec= 7.54 cm^2

Step-by-step explanation: