matha
posted by jas .
the minute hand of a clock is 9m long. the hour hand clock is 2/3 times longer than the minute clock. how much more distance will minute hand clock more than hour clock in 1 hour/

matha 
MathMate
Length of minute hand: 9m
Angle moved in one hour = 360°
Distance = (360/360)*2*π*9m=18π m
Length of hour hand: 9m*2/3=6m
Angle moved in one hour = 360/12=30°
Distance = (30/360)*2*π*6 = π m
Calculate the difference.
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