25=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.
The captain of a ship at sea sights a lighthouse which is 280 feet tall.
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?
2 answers
Casey sights the top of an 84 foot tall lighthouse at an angle of elevation of 58 degrees. If casey is 6 feet tall, how far is he standing from the base of the lighthouse?