document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=769703>Question 769703</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a triangle abc, de are midpoints. d is between ab, e is between ac. de=5. what is bc? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #468996 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=468996\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are now considering two similar<BR>\n" );
document.write( "triangles: AED and ACB.<BR>\n" );
document.write( "Due to E and D being midpoints<BR>\n" );
document.write( "AE = AD = EC = DB<BR>\n" );
document.write( "If we give all these portions<BR>\n" );
document.write( "a value of 1 unit, then we can use<BR>\n" );
document.write( "AE/AC = ED/CB<BR>\n" );
document.write( "1/2 = 5/x<BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "x = 10<BR>\n" );
document.write( "So the size of BC = 10.<BR>\n" );
document.write( "Hope this helps </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );