Question
The figure, not drawn to scale, is made up of 3 squares, G, H and J. The length of one side of square G is thrice the length of one side of square H. The length of one side of square H is thrice the length of one side of square J. If the length of square H is 18 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, G, H and J. The length of one side of square G is thrice the length of one side of square H. The length of one side of square H is thrice the length of one side of square J. If the length of square H is 18 cm, find the area of the shaded parts of the figure.