document.write( "Question 990952: The perimeter of a triangle is 56 centimeters. The longest side is 2 centimeters less than the sum of the other two sides. Twice the shortest side is 13 centimeters less than the longest side. Find the lengths of each side of the triangle.\r
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document.write( "a=
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document.write( "b=
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document.write( "c=a+b-2
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document.write( "a+b+c=56 \n" );
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Algebra.Com's Answer #610897 by macston(5194)![]() ![]() You can put this solution on YOUR website! c=longest side; a=shortest side; b=middle side \n" ); document.write( ". \n" ); document.write( "a+b=c+2 Use this to substitute for (a+b) \n" ); document.write( ". \n" ); document.write( "a+b+c=56 Substitute for (a+b) \n" ); document.write( "(c+2)+c=56 \n" ); document.write( "2c=54 \n" ); document.write( "c=27 \n" ); document.write( "ANSWER 1: Longest side is 27 centimeters \n" ); document.write( ". \n" ); document.write( "c-13=2a \n" ); document.write( "27-13=2a \n" ); document.write( "14=2a \n" ); document.write( "7=a \n" ); document.write( "ANSWER 2: The shortest side is 7 centimeters \n" ); document.write( ". \n" ); document.write( "a+b+c=56 \n" ); document.write( "7cm+b+27cm=56cm \n" ); document.write( "b+34cm=56cm \n" ); document.write( "b=22cm \n" ); document.write( "ANSWER 3: the middle side is 22 centimeters.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |