document.write( "Question 351723: A banner in the shape of an isosceles triangle has a base that is 5 inches shorter than either of the equal sides. If the perimeter of the banner is 37 inches, then what is the length of the equal sides? \n" ); document.write( "
Algebra.Com's Answer #251395 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! B=S-5 \n" ); document.write( "2S+B=37 \n" ); document.write( "2S+(S-5)=37 \n" ); document.write( "3S=37+5 \n" ); document.write( "3S=42 \n" ); document.write( "S=42/3 \n" ); document.write( "S=14 INCHES FOR THE EQUAL SIDES. \n" ); document.write( "B=14-5=9 INCHES FOR THE BASE. \n" ); document.write( "PROOF: \n" ); document.write( "2*14+9=34 \n" ); document.write( "28+9=37 \n" ); document.write( "37=37 \n" ); document.write( " \n" ); document.write( " |