The perimeter of a rectangle is equal 96, its length to width to belong as 7 to 9, it is necessary to find the area of a square

Let length be equal the 7th cm then width is equal the 9th cm we have the 7th the +9th the +7th the +9th =96sm the 32nd =96 x =3 length 7×3=21см width 9×3=27см means now we will find Square S=a×b S=21×27=567 see the sq. answer: the area is 567 cm of quarter.
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