The length of the minute hand of a clock is 14 cm. The area swept by the minute hand between 3:20 and 3:45 is
256.66 cm2
2.566 cm2
2560 cm2
0.2566 cm2
When the minute hand moves from 3:20 to 3:45, the angle it covers is 150∘ ∴ Required area =(150360×227×14×14)=256.66 cm2
The length of the minute hand of a clock is 21 cm. What is the area swept by the minute hand between 3: 20 and 3: 40?
The length of minute hand of the clock is 14 cm. Find the area swept by minute hand from 9:00 to 9:30.