Question
The figure, not drawn to scale, is made up of 3 squares, R, S and T. The length of one side of square R is thrice the length of one side of square S. The length of one side of square S is thrice the length of one side of square T. If the length of square S is 12 cm, find the area of the shaded parts of the figure.
4 m

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The figure, not drawn to scale, is made up of 3 squares, R, S and T. The length of one side of square R is thrice the length of one side of square S. The length of one side of square S is thrice the length of one side of square T. If the length of square S is 12 cm, find the area of the shaded parts of the figure.