document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=776872>Question 776872</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the sides of a triangle are shown in the ratio 3:5:7. The longest 21cm. What are the lengths of the other sides? What is the length of the perimeter of the triangle? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #473766 by </B><A HREF=/tutors/aboutme.mpl?userid=wilft1><B>wilft1(217)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=wilft1><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=wilft1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=473766\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the longest side is 21 and the ratio of all the sides are 3;5;7\r<BR>\n" );
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document.write( "fortunately this one should be simple to figure out, 21 can be divided by 7 three times, so just go ahead and multiply the other ratio numbers by 3 to get your side lengths\r<BR>\n" );
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document.write( "3;5;7,    9, 15, and 21   add those 3 up to get your perimeter of 45 </SPAN>\n" );
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