document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=856499>Question 856499</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "The base of a 20 foot ladder is placed 8 feet from a wall.How far up the wall will the ladder reach? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #515998 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=515998\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have a right triangle.<BR>\n" );
document.write( "The hypotenuse is the length of the ladder (c).<BR>\n" );
document.write( "T height of the ladder is b.<BR>\n" );
document.write( "a^2+b^2=c^2<BR>\n" );
document.write( "8^2+b^2=20^2<BR>\n" );
document.write( "64+b^2=400<BR>\n" );
document.write( "b^2=400-64<BR>\n" );
document.write( "b^2=336<BR>\n" );
document.write( "b=sqrt336<BR>\n" );
document.write( "b=18.33 ft. ans.<BR>\n" );
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