document.write( "Question 288270: A square piece of paper is folded in half to form a rectangle . this rectangle has a perimeter of 18cm . the area of the original square in cm^2 is \r
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document.write( "A 9 b 12 c 18 d 24 e 36\r
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Algebra.Com's Answer #208949 by mananth(16946)![]() ![]() You can put this solution on YOUR website! let the side of square be x\r \n" ); document.write( "\n" ); document.write( "when you fold it one side becomes x/2\r \n" ); document.write( "\n" ); document.write( "and the other remains as x\r \n" ); document.write( "\n" ); document.write( "perimeter = 2L +2W\r \n" ); document.write( "\n" ); document.write( "= 2*x+2*x/2\r \n" ); document.write( "\n" ); document.write( "=3x\r \n" ); document.write( "\n" ); document.write( "3x=18\r \n" ); document.write( "\n" ); document.write( "x=6\r \n" ); document.write( "\n" ); document.write( "Area of original square is 6*6 = 36 sq. cms \n" ); document.write( " |