document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=750076>Question 750076</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At 3 pm,a 10-foot pole casts a shadow of 8 feet on a horizontal ground.How long must be a rope be,in order to connect the top of the pole and the tip of the shadow a the time of observation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #456336 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=456336\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Pythagoras.\r<BR>\n" );
document.write( "\n" );
document.write( "The pole and the shadow are two sides of <BR>\n" );
document.write( "a right angled triangle. The rope makes <BR>\n" );
document.write( "the hypotenuse.<BR>\n" );
document.write( "Therefore:<BR>\n" );
document.write( "(Length of pole)^2 + (length of shadow)^2 <BR>\n" );
document.write( "= (Length of rope )^2<BR>\n" );
document.write( "(10)^2 + (8)^2 = (Length of rope)^2<BR>\n" );
document.write( "(Length of rope)^2 = 164<BR>\n" );
document.write( "Length of rope = square root of 164<BR>\n" );
document.write( "Length of rope = 12.8feet<BR>\n" );
document.write( ":-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );