Q21 of 68 Page 15

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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