document.write( "Question 969383: One side of triangle is half the longest side. The third side is 9 feet less than the longest side. The perimeter is 51. Find all three sides. \n" ); document.write( "
Algebra.Com's Answer #592271 by josgarithmetic(39617)\"\" \"About 
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x, y, z, in that order;
\n" ); document.write( "\"x=z%2F2\";
\n" ); document.write( "\"y=-9%2Bz\";
\n" ); document.write( "\"x%2By%2Bz=51\"
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\n" ); document.write( "Assumed z is the longest side. The third side is y.\r
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\n" ); document.write( "\n" ); document.write( "Substitute for x and y in the perimeter equation.
\n" ); document.write( "\"z%2F2%2Bz-9%2Bz=51\"
\n" ); document.write( "\"z%2F2%2B2z-9=51\"
\n" ); document.write( "\"z%2F2%2B2z=60\"
\n" ); document.write( "\"z%2B4z=120\"
\n" ); document.write( "\"5z=120\"
\n" ); document.write( "\"highlight%28z=24%29\"\r
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\n" ); document.write( "\n" ); document.write( "Find the others.
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