Question

A boat has to cross a river. It crosses the river by making an angle of 60° with the bank of the river due to the Stream of the river and travels a distance of 600 m to reach the another
side of the river. What is the width of the river ?
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Answer 1

Answer:

Step-by-step explanation:

If we assume ABC as a right angled triangle the we get bc= 300root3m and the width AB = 300m

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Answer 2

Answer :-

The width of the river = 300 m

Step-By-Step Explanation :-

• Let the width of the river = x m
• Angle made by the boat = 60°
• Distance travelled = 600 m

" From the figure "

=> cos 60° = x/600

=> 1/2 = x/600

=> x = 600/2

=> x = 300

.°. The width of river = 300 m.