The length of minute hand of a wall clock is 12 cm. find the distance covered by the tip of the minutes hand in 25 minutes.
A. `(220)/(7)`cm
B. `(110)/(7)`cm
C. `(120)/(7)`cm
D. `(240)/(7)`cm
A. `(220)/(7)`cm
B. `(110)/(7)`cm
C. `(120)/(7)`cm
D. `(240)/(7)`cm
Correct Answer – B
`l=rtheta`, where l= length , r= radians and `theta` = angle in radians