document.write( "Question 226267: the base of an isosceles triangle is one-third the length of each of the congruent sides. The perimeter of the triangle is 84 cm. How long is the base? \n" ); document.write( "
Algebra.Com's Answer #168564 by scott8148(6628) You can put this solution on YOUR website! if the base is X, then each of the congruent sides is 3X and the perimeter is 7X\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7X = 84 ___ X = 12 \n" ); document.write( " |