The length of the minute hand of a clock is 14cm. Find the area swept by the minute hand in 5minutes.
The length of minute hand = 14cm
Time = 5 minute
Angle subtend by minute hand at center in 60 minute = 360
In one minute = 
In five minute =5×6 = 30°
Area swept in 5 minute = 
= 51.30cm2
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