Question
In the figure, the unshaded rectangle BCDE has a perimeter of 80 cm. A square is constructed on each of its sides. If the total area of the squares is 316 cm2, find the area of the unshaded rectangle.
3 m

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In the figure, the unshaded rectangle BCDE has a perimeter of 80 cm. A square is constructed on each of its sides. If the total area of the squares is 316 cm2, find the area of the unshaded rectangle.