document.write( "Question 549951: The lengths of the sides of a triangle are 3x, 5x – 12, and x + 20. Find the value of x so that the triangle is isosceles. \n" ); document.write( "
Algebra.Com's Answer #358238 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Any two side are equal in isoscles triangle\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5x-12=x+20\r \n" ); document.write( "\n" ); document.write( "4x=32 \n" ); document.write( "x=8\r \n" ); document.write( "\n" ); document.write( "5x-12=28 \n" ); document.write( "x+20=28\r \n" ); document.write( "\n" ); document.write( "5x=40\r \n" ); document.write( "\n" ); document.write( "28,28,40 \n" ); document.write( " \n" ); document.write( " |