Q. 44.3( 15 Votes )

The length of the minute hand of a clock is 14 cm. Find the area swept by the minute hand in 5 minutes.

Answer :

Given: Radius = 14 cm


To find: Area swept in 5 minutes.


Explanation:


We know,


….. (1)


Angle covered in 60 min = 360°


Angle covered in 1 min = 360° /60° = 6°


Angle covered in 5 min = 5×60°


= 30°


Put the known values in (1) to get,






= 51.30 cm2


Hence area swept by the minutes hand in 5 min is 51.30 cm2.


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