document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=317421>Question 317421</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A passenger in an airplane at an altitude of 10 kilometers sees two towns directly to the east of the plane. The angle of depression of town a is 55 degrees and the angle of depression of town b is 28 degrees. How far apart are the towns? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #227309 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=227309\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-10%2C10%2C-10%2C10%2Cline%283%2C5%2C3%2C0%29%2Cline%28-3%2C0%2C3%2C5%29%2Cline%28-3%2C0%2C3%2C0%29%2Clocate%280%2C-.5%2COPP%29%2Clocate%283.2%2C2.5%2CADJ=10%29%2Clocate%282%2C4%2Ctheta%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Use trigonometry.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%2855%29=OPP%28a%29%2FADJ ALIGN=MIDDLE  ALT=\"tan%2855%29=OPP%28a%29%2FADJ\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=OPP%28a%29=10tan%2855%29=14.28 ALIGN=MIDDLE  ALT=\"OPP%28a%29=10tan%2855%29=14.28\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%2828%29=OPP%28b%29%2FADJ ALIGN=MIDDLE  ALT=\"tan%2828%29=OPP%28b%29%2FADJ\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=OPP%28b%29=10%2Atan%2828%29=5.32 ALIGN=MIDDLE  ALT=\"OPP%28b%29=10%2Atan%2828%29=5.32\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=DELTA=14.28-5.32=8.96 ALIGN=MIDDLE  ALT=\"DELTA=14.28-5.32=8.96\"   DISABLED_style= \"max-width:90%; height:auto;\" > km </SPAN>\n" );
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