Posted by **Ashley** on Tuesday, November 8, 2011 at 8:47am.

From the top of a lighthouse 55ft above sea level, the angle of depression to a small boat is 11.3 degrees. How far from the foot of the lighthouse is the boat?

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**PsyDAG**, Tuesday, November 8, 2011 at 10:11am
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**Steve**, Tuesday, November 8, 2011 at 2:52pm
55/d = tan 11.3

d = 55/tan11.3 = 275 feet

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**dennis**, Sunday, September 25, 2016 at 8:27am
An doserver in the window of the lighthouse is 32 meters above the level of the ocean. The angle of depression of the boat is 27° how far is the boat from the lighthouse

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