document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=831487>Question 831487</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rectangle has a diagonal of 15.4cm and the width is 6.4cm. To the nearest centimeter what is the length of the rectangle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #501418 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=501418\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A rectangle split down the diagonal gives us two right triangles, so we can use the right triangle formula.<BR>\n" );
document.write( "a^2 + b^2 = c^2<BR>\n" );
document.write( "We're given c^2 as 15.4cm<BR>\n" );
document.write( "We're given b^2 as 6.4cm (or we could call it a^2; works either way)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "a^2 + 6.4^2 = 15.4^2<BR>\n" );
document.write( "a^2 + 40.96 = 237.16<BR>\n" );
document.write( "Subtract 40.96 from each side<BR>\n" );
document.write( "a^2 = 196.2<BR>\n" );
document.write( "Take the square root of each side<BR>\n" );
document.write( "a = 14.0071<BR>\n" );
document.write( "to the nearest cm <BR>\n" );
document.write( "a = 14 <<--\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );