document.write( "Question 1164097: An equilateral triangle ABC of dimensions (3x_2y), (x+6y), 2(2x-3y). Find the perimeter of the triangle \n" ); document.write( "
Algebra.Com's Answer #788473 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! Perimeter is sum of \n" ); document.write( "3x-2y \n" ); document.write( "x+6y \n" ); document.write( "4x-6y, multiplying by 2 \n" ); document.write( "8x-2y \n" ); document.write( "the sides are equal \n" ); document.write( "so 3x-2y=x+6y \n" ); document.write( "2x=8y \n" ); document.write( "x=4y\r \n" ); document.write( "\n" ); document.write( "check with the third \n" ); document.write( "x+6y=4x-6y \n" ); document.write( "3x=12y \n" ); document.write( "x=4y\r \n" ); document.write( "\n" ); document.write( "Therefore 8x-2y above is 32y-2y=30y \n" ); document.write( "or y=(1/4)x \n" ); document.write( "8x-2y=30x/4 or 7.5 x \n" ); document.write( "Both those express the perimeter. \n" ); document.write( " \n" ); document.write( " |