Question
In the figure, the unshaded rectangle NPQR has a perimeter of 52 cm. A square is constructed on each of its sides. If the total area of the squares is 315 cm2, find the area of the unshaded rectangle.
3 m

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In the figure, the unshaded rectangle NPQR has a perimeter of 52 cm. A square is constructed on each of its sides. If the total area of the squares is 315 cm2, find the area of the unshaded rectangle.