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mooreadrian412
22.01.2020 •
Mathematics
From the top of a 240-ft lighthouse, the angle of depression to a ship in the ocean is 25°. how far is the ship from the base of the lighthouse?
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Ответ:
The distance between ship and base of light house is 514.69 feet
Solution:
Given that, From the top of a 240-ft lighthouse, the angle of depression to a ship in the ocean is 25°
The figure for the problem is attached below
ABC is a right angled triangle
AB = height of light house = 240 feet
BC = distance between ship and base of light house
Angle of depression = 25 degrees
By using defintion of tan,
In right angled triangle, ABC,
Opposite = AB and adjacent = BC
Thus distance between ship and base of light house is 514.69 feet
Ответ: