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)\"\" \"About 
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If the perimeter of a rectangle is 42 cm and the area is 90 square cm, then what are the dimensions of the rectangle?
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\n" ); document.write( "P = 2L + 2W = 42
\n" ); document.write( "L + W = 21
\n" ); document.write( "L*W = 90
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\n" ); document.write( "Find a pair of factors of 90 with a sum of 21.
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