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Q.

A boat has to cross a river. It crosses the river by making an angle of 60 degree with the bank of the river due to the stream of the river, and travels a distance of 600m to reach the other side of the river. What is the width of the river?


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a

100m

b

500m

c

265m

d

519.6m 

answer is D.

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Detailed Solution

AB = Distance travelled by the boat = 600 m
AC = Width of the river
Question ImageHence width of the river is 519.6 m.
Hence, Option (4) is the correct answer.
 
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