Question

(13) What is the distance travelled by the tip of the minute
hand of a wall clock in 2 days if the length of the minute
hand is 7 cm?​

Answer 1

Step-by-step explanation:

For a minute hand, 60 minutes is equivalent to 360

0

and so 30 minutes will be 180

0

.

Area swept in 60 minutes is area of full circle.

So area swept in 30 minutes will be area of half circle.

Thus, area swept =

2

1

×(

7

22

)×7

2

=77cm

2