Question

as observed from top of a lighthouse 100
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Answer 1

Answer:

As observed from the top of a light house, 100 m above sea level, the angle of depression of a ship, sailing directly towards it, changes from 30∘to40∘. Determine the distance travelled by the ship during the period of observation. 

Step-by-step explanation:

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Answer 2

Answer:

Aadharshini sadi correct answer