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November 24, 2014

November 24, 2014

Posted by **tim** on Wednesday, March 10, 2010 at 2:19pm.

The captain measures the the angle of elevation to the top of the lighthouse to be 25.

How far is the ship from the base of the lighthouse?

- trig -
**bobpursley**, Wednesday, March 10, 2010 at 2:28pm25=howfar*tan25

Now, I am wondering how he measured the angle of elevation at night....if you have ever been at sea at night, you know the problem: the surface and sky are both black, and you cannot see the horizon.

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