document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1183836>Question 1183836</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a flag pole is placed at the top of a tower. The angle of elevation of the bottom and top of flag pole from a point on the ground 10m away are 40 and 50 respectively. Find the length of the flag pole </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #814304 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=814304\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Draw this<BR>\n" );
document.write( "The tower + flagpole is the opposite to angles 40 and 50<BR>\n" );
document.write( "The 10 m distance is adjacent.<BR>\n" );
document.write( "So tan 40=x/10, where x is the height of the tower.<BR>\n" );
document.write( "x=10 tan 40 or 8.39m<BR>\n" );
document.write( "to the height of the flagpole is y<BR>\n" );
document.write( "tan 50=y/10<BR>\n" );
document.write( "y=10 tan 50 or 11.92 m<BR>\n" );
document.write( "The tower is common to both x and y<BR>\n" );
document.write( "So height of flag pole is 11.92 m-8.39 m=3.53 m </SPAN>\n" );
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