The length of a minute hand of a wall clock is 7 cm. What is the area swept by it is 30 minutes?
-3.208
3.208
3.608
2.308
The length of a minute hand of a wall clock is 7 cm. What is the area swept by it in 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.