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Question

The length of the minute hand of a clock is 14 cm. The area swept by the minute hand between 3:20 and 3:45 is


A

256.66 cm2

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B

2.566 cm2

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C

2560 cm2

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D

0.2566 cm2

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Solution

The correct option is A

256.66 cm2


When the minute hand moves from 3:20 to 3:45, the angle it covers is 150

Required area =(150360×227×14×14)=256.66 cm2


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