document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=308196>Question 308196</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane is sighted at the same time by ground observers who are 15 miles apart and in front of the airplane.  They report the angles of elevation as 21 degrees and 38 degrees.  How high is the airplane? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #220388 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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/cgi-bin/show-face.mpl?user=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=220388\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the tangent function.\r<BR>\n" );
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document.write( "In trigonometry, tangent = opposite side divided by adjacent side\r<BR>\n" );
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document.write( "Let h = height of airplane\r<BR>\n" );
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document.write( "tan38 = h/15\r<BR>\n" );
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document.write( "Can you finish?  </SPAN>\n" );
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