document.write( "Question 1149168: If the perimeter of a rectangle is 42 cm and the area is 90 square cm, then what are the dimensions of the rectangle? \n" ); document.write( "
Algebra.Com's Answer #770514 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! If the perimeter of a rectangle is 42 cm and the area is 90 square cm, then what are the dimensions of the rectangle? \n" ); document.write( "---------------- \n" ); document.write( "P = 2L + 2W = 42 \n" ); document.write( "L + W = 21 \n" ); document.write( "L*W = 90 \n" ); document.write( "--- \n" ); document.write( "Find a pair of factors of 90 with a sum of 21. \n" ); document.write( " \n" ); document.write( " |