document.write( "Question 28072: the first side of a tringle is 8cm shorter than the second side,the third side is 4 times as long as the first side. the perimiter is 26cm. find the lenght of the sides. \n" ); document.write( "
Algebra.Com's Answer #15317 by Paul(988)![]() ![]() ![]() You can put this solution on YOUR website! Second side = x \n" ); document.write( "First side = x-8 \n" ); document.write( "THird side = 4(x-8) \n" ); document.write( "P=26 \n" ); document.write( " Together:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x+(x-8)+4(x-8)=26 \n" ); document.write( "2x-8+4x-32=26 \n" ); document.write( "6x-40=26 \n" ); document.write( "6x=66 \n" ); document.write( "x=11 (second sidde)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "11-8= 3(first side)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4(11-3)=12 (third side)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hence, the three sides are 3, 11, 12. \n" ); document.write( "Paul. \n" ); document.write( " |