SOLUTION: From the top of a 210 ft lighthouse, the angle of depression to a ship in the ocean is 21 degrees. How far is the ship from the base of the lighthouse to the nearest tenth of a foo
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Question 280034: From the top of a 210 ft lighthouse, the angle of depression to a ship in the ocean is 21 degrees. How far is the ship from the base of the lighthouse to the nearest tenth of a foot?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
The angle of depression from the top of tower = angle of inclination from the ship
Tan 21= 210/distance from foot of light house
210/1.5 = distance on ground
= 140 feet
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