document.write( "Question 716758: In an isosceles triangle, the third side is 20% of the length of one of the equal sides. Find the length of each side when the perimeter is 220 ft. \n" ); document.write( "
Algebra.Com's Answer #440005 by checkley79(3341) ![]() You can put this solution on YOUR website! X+X+.2X=220 \n" ); document.write( "2.2X=220 \n" ); document.write( "X=220/2.2 \n" ); document.write( "X=100 LENGTH OF THE EQUAL SIDES. \n" ); document.write( "PROOF: \n" ); document.write( "100+100+.2*100=220 \n" ); document.write( "100+100+20=220 \n" ); document.write( "220=220 \n" ); document.write( " |