document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=129811>Question 129811</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A 30 foot ladder leaning up againist a building makes an angle of 30 degrees with the building. How high up the wall is the ladder from the ground? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #95037 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=95037\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the ladder, building, and ground form a 30-60-90 triangle (90 where the ground meets the building)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "the ladder is the hypotenuse, so the distance up the wall to where the ladder touches is ((30/2)sqrt(3))\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "the horizontal distance from the base of the ladder to the wall is 30/2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );