Question

minute hand of circular clock is 15cm. how far does the tip of minute hand move in 1 hour

Answer 1

we know minute hand moves 6 degrees in one minute.. so in 60minutes=6*60=360 degrees.. now area swept by the tip of the minute hand=360/360*22/7*15*15=22/7*225=32.14*22=707.08cm^2(ans)