document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=113565>Question 113565</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 11. The bottom of a 20' ladder is placed 5' away from a structure. Where will the top of the ladder touch the building? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #82643 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=82643\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The bottom of a 20' ladder is placed 5' away from a structure. Where will the top of the ladder touch the building?<BR>\n" );
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document.write( "Draw the picture.<BR>\n" );
document.write( "You should have a right triangle with the right angle where the ground<BR>\n" );
document.write( "meets the building.<BR>\n" );
document.write( "The hypotenuse is 20'<BR>\n" );
document.write( "One of the legs is 5'<BR>\n" );
document.write( "Let the other leg be \"x\"<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "x^2 + 5^2 = 20^2<BR>\n" );
document.write( "x ^2 = 400 - 25<BR>\n" );
document.write( "x^2 = 375<BR>\n" );
document.write( "x = sqrt(375) = sqrt(25*15) = 5sqrt15 ft.<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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