Question

The length of a minute hand of a wall clock is 8.4 cm, then the area swept by it in 30 minutes is​

Answer 1

Answer:

We know that minute hand covers 180  

o

 in half an hour, which is a semicircle, hence area is

⇒  

2

1

​

(π)(r  

2

)=0.5×3.1428×(8.4)  

2

=110.88cm  

2