document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=286881>Question 286881</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me if you can.  A 15 feet ladder is leaning against a wall.  The base of the ladder is 3 feet from the wall.  How high above the ground is the top of the ladder? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #208040 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=208040\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     Please help me if you can. A 15 feet ladder is leaning against a wall. The base of the ladder is 3 feet from the wall. How high above the ground is the top of the ladder?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "The ladder, wall and ground forms a \"right triangle\".  This allows you to apply Pythagorean theorem.<BR>\n" );
document.write( "Let x = height top of ladder reaches<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x^2 + 3^2 = 15^2<BR>\n" );
document.write( "x^2 + 9 = 225<BR>\n" );
document.write( "x^2 = 216<BR>\n" );
document.write( "x = 14.70 feet </SPAN>\n" );
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