Question
This figure is not drawn to scale. A rectangular cuboid has been divided into 4 parts, B, C, D and E. The volume of B, C and D are in the ratio of 1 : 3 : 9. B is a cube and has a volume of 512 cm3. Find the total area of the shaded parts.
3 m

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This figure is not drawn to scale. A rectangular cuboid has been divided into 4 parts, B, C, D and E. The volume of B, C and D are in the ratio of 1 : 3 : 9. B is a cube and has a volume of 512 cm3. Find the total area of the shaded parts.