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SECTION - B
Question Numbers 7 to 10 carry 3 marks each.
Question Numbers 7 to 10 carry 3 marks each.
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Question : 4
Total: 6
An aeroplane at an altitude of 200 metres observes the angles of depression of opposite points on the two banks of a river to be 45 ∘ and 60 ∘ . Find the width of the river. (Use √ 3 = 1.732 )
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