1) What is the 3D counterpart of a Square? 2) What is the formula to calculate the surface area of a cuboid? 3) Give four examples of 3D shapes. 4) What is the formula to calculate the surface area of a cube? 5) What is the unit of surface area ? 6) What is the 3D counterpart of a Rectangle? 7) How is a 2D shape different from a 3D shape? 8) Give three examples of 2D shapes. 9) Which 3D shape has all the dimensions the same ?

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