Question

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

Step-by-step explanation:

volume of 4 cm cube = a³ = 4³ = 64

volume of 1 cm cube = a³ = 1³ = 1

therefore,

we can cut 64 1 cm cube from the 4 cm cube.

total surface area of 4 cm cube = 6a²

= 6×16

=96

total surface are of 64 1cm cube = 64 ×6a²

= 64 ×6

= 384

surface area increases from 96 to 384 when we cut a 4 cm cube into 1 cm cube.

surface area increases 4 times = 400%

Hope it helps.......

Answer 2

Answer:

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