Question

Aa 4cm cube is cut into 1 cm cubes calculate the total surface area of all the small cubes

Answer 1

Answer:

Step-by-step explanation:

Given that side of a big cube = 4 cm Volume of a big cube = 4 x 4 x4 = 64 cm3 . Each side of a small cube = 1 cm Volume of a small cube = 1 x1 x1 = 1 cm3 Total Surface Area of small cube = 6 x 1 x 1 = 6 cm2 Number of new cubes = 64 / 1 = 64 ∴ Total Surface Area of all small cubes = 64 x 6 = 384 cm2

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