document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=512876>Question 512876</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two buildings A and B adjacent to each other are separated by a narrow alley. Building A has a window at a heights of 12 meters and building B has a winder at a height of 8 meters, both windows facing the alley. <BR>\n" );
document.write( "A 13meter ladder placed in the alley leaning on the wall of building A reaches the winder at a height of 12meters from the ground. <BR>\n" );
document.write( "Without changing the position of the base of the ladder, the ladder is tilted towards building B and is able to just reach the winder at 8meters. <BR>\n" );
document.write( "What is the width of the alley? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #342780 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=342780\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let the foot of the ladder be located at M\r<BR>\n" );
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document.write( "let the distance on ground from ladder foot to base of building A be MA\r<BR>\n" );
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document.write( "let the distance on ground from ladder foot to base of building B be MB\r<BR>\n" );
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document.write( "MA^2= 13^2-12^2<BR>\n" );
document.write( "MA^2= 169-144=25<BR>\n" );
document.write( "MA=5 m<BR>\n" );
document.write( "...<BR>\n" );
document.write( "MB^2= 13^2-8^2<BR>\n" );
document.write( "MB^2=169-64<BR>\n" );
document.write( "MB^2= 105<BR>\n" );
document.write( "MB= 10.25 m\r<BR>\n" );
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document.write( "MA + MB =  alley width\r<BR>\n" );
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document.write( "5+10.25= 15.25 m <BR>\n" );
document.write( "    <BR>\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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