22. The volume of each of two cubes is 27 cm°. Find the total surface area of the cuboid formed by joining these two cubes facce to face. l
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It is given that the volume of each cube is 27 cm3. When two cubes are joined end-to-end, the solid obtained is a cuboid whose length, breadth and height are 6 cm, 3 cm and 3 cm respectively. Thus, the surface area of the resulting cuboid is 90 cm2.
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