document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=231985>Question 231985</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The perimeter of a triangle is 93 cm. If 2 sides are equally long and the third is 9 cm longer than the others, find the lengths of the three sides. \r<BR>\n" );
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document.write( "I was trying every possible way with no luck. Could you please help me? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #171546 by </B><A HREF=/tutors/aboutme.mpl?userid=Robb><B>Robb(9)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Robb><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=171546\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The perimeter of a triangle is all 3 sides added up.  The formula is P=A+B+C\r<BR>\n" );
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document.write( "Since 2 sides are the same, we will let them be X.\r<BR>\n" );
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document.write( "Since the third side is 9 more centimeters than the other ones, we will assign the third side to be X+9.\r<BR>\n" );
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document.write( "The Perimeter is 93cm.\r<BR>\n" );
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document.write( "So filling in the equation P=A+B+C we get:\r<BR>\n" );
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document.write( "93=X+X+(X+9)\r<BR>\n" );
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document.write( "Combining like terms we get:\r<BR>\n" );
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document.write( "93=3X+9\r<BR>\n" );
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document.write( "Subtract 9 from both sides:\r<BR>\n" );
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document.write( "84=3X\r<BR>\n" );
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document.write( "Divide both sides by 3 to get X alone on one side:\r<BR>\n" );
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document.write( "28=X\r<BR>\n" );
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document.write( "So now we know that X=28.  So plugging that answer back into our assigned variables we know that the two equal sides of the triangle are 28cm's each.  Adding 9cm to X to get the third side gives us 37cm.\r<BR>\n" );
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document.write( "ANSWER:  Two sides of the triangle are 28cm's each, the third is 37cm. </SPAN>\n" );
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