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Solution - Heights and Distances

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Question

A man on a cliff observes a fishing trawler at an angle of depression of 30º which is approaching the shore to the point immediately beneath the observer with a uniform speed. 6 minutes later, the angle of depression of the trawler is found to be 60º. Caliculate the time taken by the trawler to reach the shore

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Reference Material

Solution for concept: Heights and Distances. For the course 8th-10th CBSE
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