document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=768489>Question 768489</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane is flying at an altitude of 18,000 m. From the pilot, the angle of depression to the airport tower is 46°. How far is the tower from a point directly beneath the plane? Round your answer to the nearest whole number. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #468316 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=468316\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A plane is flying at an altitude of 18,000 m. From the pilot, the angle of depression to the airport tower is 46°. How far is the tower from a point directly beneath the plane? Round your answer to the nearest whole number.<BR>\n" );
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document.write( "Draw the picture.<BR>\n" );
document.write( "You have a right triangle with ground angle = 46 degrees<BR>\n" );
document.write( "and altitude = 18000 meters.<BR>\n" );
document.write( "Find the base of the triangle::::<BR>\n" );
document.write( "tan(46) = 18000/base<BR>\n" );
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document.write( "base = 18000/tan(46)<BR>\n" );
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document.write( "base = 17,382.4 meters<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============== </SPAN>\n" );
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