Asked by chrisopher
a cube is painted blue,then cut into 27 smaller cubes.how many of the smaller cubes have only two side painted/ggggggggggg
Answers
Answered by
Reiny
the cut cube must be 3 by 3 by 3
the only cubes that are painted on 2 sides would be the middle cubes along each edge.
There would be 12 of those.
(make a sketch to see the different cases)
none visible : 1
one visible : 6
two visible : 12
three visible : 8
total = 27
the only cubes that are painted on 2 sides would be the middle cubes along each edge.
There would be 12 of those.
(make a sketch to see the different cases)
none visible : 1
one visible : 6
two visible : 12
three visible : 8
total = 27
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.