document.write( "Question 1145599: pilot 4870 m directly above the front of a straight train observes that the angle of depression of the end of the train is 62.2 degreee Find the length of the train. \n" ); document.write( "
Algebra.Com's Answer #766832 by Edwin McCravy(20054)\"\" \"About 
You can put this solution on YOUR website!

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document.write( "The plane is at point P.  The train is at the bottom of the\r\n" );
document.write( "triangle. The angle of elevation from the plane down to the\r\n" );
document.write( "end of the train is the same as the angle of elevation from \r\n" );
document.write( "the end of the train up to the plane. The train has length\r\n" );
document.write( "x meters.\r\n" );
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document.write( "Now, with the above drawing, Tatiana's solution makes \r\n" );
document.write( "some sense:\r\n" );
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document.write( "\"tan%2862.2%29=4870%2Fx\"\r\n" );
document.write( "\"x=4870%2Ftan%2862.2%29\"\r\n" );
document.write( "\"x=2567.66\"m \r\n" );
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document.write( "Edwin
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