Question

The second needle of a clock is 7 cm.How much distance is covered by its outer edge in 24 hours?​

Answer 1

Step-by-step explanation:

24 hrs= 2round of watch

r= 7cm

circumference = 2πr

= 2*(22/7)*7cm

= 44cm

required distance = 2 * 44 cm

= 88 cm

Answer 2

Answer:44cm

Step-by-step explanation:

r=7 cm

Circumference=2πr

Distance covered =

2*22*7/7

44cm

As it is 24 hour the required distance =2*44=88 cm