document.write( "Question 1014765: A person is watching a boat from the top of a lighthouse. The boat is approaching the lighthouse directly. When first noticed, the angle of depression to the boat is 14°52'. When the boat stops, the angle of depression is 45°10'. The lighthouse is 200 feet tall. How far did the boat travel from when it was first noticed until it stopped? Round your answer to the hundredths place. \n" ); document.write( "
Algebra.Com's Answer #631129 by Boreal(15235)\"\" \"About 
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\n" ); document.write( "The angle from the boat to the top of the lighthouse is 14d52m by alternate interior angles. The tangent of that is 200/x, where x is the first distance.
\n" ); document.write( "x tangent 14d52m equals 200
\n" ); document.write( "200/tangent 14d52 m =x
\n" ); document.write( "x=753.4189'
\n" ); document.write( "In the same fashion
\n" ); document.write( "200/tangent 45d10' is the final distance. That is 198.84 feet away.
\n" ); document.write( "If you do this all without rounding, it will be 554.58 feet (753.42-198.84) the boat moved.
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