document.write( "Question 1026411: The perimeter of a triangle is 26 millimeters. The length of the first side is twice the length of the second side. The length of the third side is 5 more than the length of the second side. Find the side length of the triangle. Then classify the triangle by its side lengths. \n" ); document.write( "
Algebra.Com's Answer #641670 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let second side be x \n" ); document.write( "first side =2x\r \n" ); document.write( "\n" ); document.write( "third side = x+5\r \n" ); document.write( "\n" ); document.write( "Add them up\r \n" ); document.write( "\n" ); document.write( "x+x+5 +2x =26\r \n" ); document.write( "\n" ); document.write( "4x+5=26\r \n" ); document.write( "\n" ); document.write( "4x = 21 \n" ); document.write( "x= 21/4\r \n" ); document.write( "\n" ); document.write( "x= 5.25 \n" ); document.write( "2x = 10.5 \n" ); document.write( "x+5 = 10.25\r \n" ); document.write( "\n" ); document.write( "scalene triangle \n" ); document.write( " |