document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=929622>Question 929622</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the three sides of a triangle are in a ratio 3:5:7 and the perimeter of the triangle is 12cm, what is the length of the longest side? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #564392 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=564392\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> With side ratio 3:5:7 , first add the numbers together.<BR>\n" );
document.write( "This will give us a denominator to find fractional parts.<BR>\n" );
document.write( "3+5+7 = 15<BR>\n" );
document.write( "The shortest side will be 3/15 * 12 = 36/15 = 2.4<BR>\n" );
document.write( "Then next side will be 5/15 * 12 = 60/15 = 4<BR>\n" );
document.write( "The last side will be 7/15 * 12 = 84/15 = 5.6\r<BR>\n" );
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document.write( "Notice that 2.4:4:5.6 is equivalent to 3:5:7<BR>\n" );
document.write( "2.4:4:5.6 , multiplying each element by 10<BR>\n" );
document.write( "gives us 24:40:56<BR>\n" );
document.write( "Divide each by 8 and we get<BR>\n" );
document.write( " 3:5:7<BR>\n" );
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