Question
The figure is made up of a square with a shaded part within it of 3 cm thickness throughout. Given that the figure has a total area of 64 cm2, find the area of the shaded part.
3 m

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The figure is made up of a square with a shaded part within it of 3 cm thickness throughout. Given that the figure has a total area of 64 cm2, find the area of the shaded part.