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Question

The angles of depression of two boats as observed from the mast head of a ship 50 metres high are 45o and 30o. The distance between the boats, if they are on the same side of mast head in line with it, is

A
503 metres
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B
0(3+1) metres
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C
50(31) metres
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D
50(13) metres
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Solution

The correct option is C 50(31) metres

From ADC,50x=Tan450x=50m
From ABD,50h+50=Tan300
h=50(31)m

1005360_925187_ans_55817a5084c34d588534871cde1d8626.jpg

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