Question

A Boat has to cross a river. It crosses the river by making an angel of 60 degrees with the bank of the river due to the stream of the river and travels a distance of 600m to reach the another side of the river. what is the width of the river? ​

Answer 1

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AB= Distance traveled by the boat =600m

AC= Width of the river

sin60= AC/AB

root3/2 =AC/600

AC=600root3/2

AC=300root3

Hence width of the river is 300root3m

Answer 2

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AB = Distance traveled by the boat = 600m

AC = Width of the river

sin 60 = AC/AB

√3/2 = AC / 600

AC = 300√3 m

Hence width of the river is 300√3 m

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