A3- unit cubical block is painted and cut into 27 small 1 unit cubes.How many of the 1 unit blocks have 3 sides painted,2 sides painted,1 side painted and no side painted?
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Answer:
8 , 12 , 6 , 1
Step-by-step explanation:
unit cubical block is painted and cut into 27 small 1 unit cubes.How many of the 1 unit blocks have 3 sides painted,2 sides painted,1 side painted and no side painted?
3 Side painted = All cubes at corners = 8
2 Side painted = All middle one on edges = 12
1 side painted = Centered on each face = 6
No side painted = Centered one ( hidden) = 1
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