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Question -

A 4 cm cube is cut into 1 cm cubes. Calculate the total surface area of all the small cubes.



Answer -

Side of cube = 4 cm
But cutting into 1 cm cubes, we get = 4 x 4 x 4 = 64
Now surface area of one cube = 6 x (1)²
= 6 x 1=6 cm²
and surface area of 64 cubes = 6 x 64 cm² = 384 cm²

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