The length of a minute hand of a wall clock is 7 cm. What is the area swept by it in 30 minutes
63 cm2
50 cm2
35 cm2
77 cm2
The length of a minute hand of a wall clock is 7 cm. What is the area swept by it is 30 minutes?
The length of a minute hand of a wall clock is 10 cm. What is the area swept by it in 30 minutes.