Question
The figure is made up of four small squares. Jen had painted part of one square white and the rest of the figure grey. The perimeter of the white part is 23 cm and the perimeter of the grey part is 43 cm. Find the area of one small square.
4 m

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The figure is made up of four small squares. Jen had painted part of one square white and the rest of the figure grey. The perimeter of the white part is 23 cm and the perimeter of the grey part is 43 cm. Find the area of one small square.