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As observed from the top of a 80 m tal...

As observed from the top of a 80 m tall lighthouse, the angle of depression of two ships, on the same side of the light house in horizontal line with its base, are `30^(@) and 40^(@)` respectively . Find the distance between the two ships. Given your answer correct to the nearest metre

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The correct Answer is:
43 m (approx)
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ICSE-MATHEMATICS-2012-SECTION-B
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