the minute hand of a watch is 0.5 cm long how far does it's tip move in 20 minutes.
Answers
Answered by
0
if it move 0.5 cm for a minutes then it will move for 20 minutes = 20 ×5
Answered by
0
Answer:
here minute hand work as radius
as minute hand complete a circle in 60min
tip move in 20min = 2πr*2/3
2*3.14*0.5*2/3 = 2.09cm
Similar questions