Question

a cube is coloured red at all of its faces, it is then cut 64 smaller cubes of equal sizes. the smaller so obtained are now seprated . how many smaller cubes will have at least two surfaces painted with red colour?

Answer 1

Answer:

8

Step-by-step explanation:

8*8 =64

Answer 2

Answer:

Step-by-step explanation:

Number of edges in cube=12

Side^3=s^3

Side^3=4^3

Side^3=4^3

Side=4cm

Two Coloured sides are present at edges only except corner

So coloured sides=edges*(n-1)

S=12(4-1)

S=12(3)

S=36

So two colored side cubes are 36