document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=857131>Question 857131</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with this. Press to the link the question. http://prntscr.com/34f3hm  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #516383 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=516383\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Problem:\r<BR>\n" );
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document.write( "Steps: \r<BR>\n" );
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document.write( "Let x = horizontal distance between airport and plane\r<BR>\n" );
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document.write( "First mark the angle of depression (in red). That is given to be 34 degrees\r<BR>\n" );
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document.write( "The second angle below that is also marked is congruent to the first one marked. The two angles are alternate interior angles (because of the parallel horizontal lines).\r<BR>\n" );
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document.write( "So therefore, the bottom red angle is also 34 degrees. Let's add in the label 'x' as well so we know which side we're solving for.\r<BR>\n" );
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document.write( "So we have a right triangle with an angle of 34 degrees. The side opposite this angle is 3200 ft. The unknown side is the adjacent side and it is x feet long.\r<BR>\n" );
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document.write( "This means we use the tangent function\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Tangent+=+%28Opposite%29%2F%28Adjacent%29 ALIGN=MIDDLE  ALT=\"Tangent+=+%28Opposite%29%2F%28Adjacent%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28angle%29+=+%28Opposite%29%2F%28Adjacent%29 ALIGN=MIDDLE  ALT=\"tan%28angle%29+=+%28Opposite%29%2F%28Adjacent%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%2834%29+=+%28Opposite%29%2F%28Adjacent%29 ALIGN=MIDDLE  ALT=\"tan%2834%29+=+%28Opposite%29%2F%28Adjacent%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2Atan%2834%29+=+3200 ALIGN=MIDDLE  ALT=\"x%2Atan%2834%29+=+3200\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+3200%2Ftan%2834%29 ALIGN=MIDDLE  ALT=\"x+=+3200%2Ftan%2834%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+4744.19509924 ALIGN=MIDDLE  ALT=\"x+=+4744.19509924\"   DISABLED_style= \"max-width:90%; height:auto;\" > Use a <a  rel=nofollow HREF=\"https://www.google.com/search?q=3200%2Ftan%2834+degrees%29\">calculator</a> here\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+4744 ALIGN=MIDDLE  ALT=\"x+=+4744\"   DISABLED_style= \"max-width:90%; height:auto;\" > Round to the nearest foot\r<BR>\n" );
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document.write( "Final Answer:\r<BR>\n" );
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document.write( "To the nearest whole foot, the approximate horizontal distance between the airport and the plane is <font color=\"red\">4,744 feet</font> </SPAN>\n" );
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