document.write( "Question 896885: the longest side of the triangular section is 8 feet shorter than twice the shorter side. the third side is 4 feet longer than the shortest side. the perimeter id 60 feet. how long is each side? \n" ); document.write( "
Algebra.Com's Answer #543830 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! A + B + C = 60 \n" ); document.write( "A = 2B - 8 (where A is the longest side, and B is the shortest side. We know C isn't the shortest side from the second sentence.) \n" ); document.write( "C = B + 4 \n" ); document.write( "Substitute the values of A and C from the bottom equations into the first \n" ); document.write( "A + B + C = 60 \n" ); document.write( "(2B-8) + B + (B+4) = 60 \n" ); document.write( "4B -4 = 60 \n" ); document.write( "Add 4 to each side \n" ); document.write( "4B = 64 \n" ); document.write( "Divide each side by 4 \n" ); document.write( "B = 16 \n" ); document.write( "If the shortest side (B) is 16, then A is (2*16)-8, or 24; C is 16+4, or 20 \n" ); document.write( "A = 24 \n" ); document.write( "B = 16 \n" ); document.write( "C = 20 \n" ); document.write( " |