posted by pavlina on .
there are 27 white cubes assembled to forma large cube.the outside surface of the large cube is painted red. the large cube is then separated into the 27 smaller cubes.how many of the small cubes will have red paint on exactly the following number of faces?
A= three faces
B= two faces
C= one face
D= no face
pick one ___________
visualize a 3x3x3 cube
D) the one cube in the middle will have no paint on it
C) the middle cube of each face, so 6 faces, so 6
B two faces,middle cubes joining two faces.
again , I can see 6 of those
A) wouldn't that be a corner cube?
How many of those are there?
so which one is the answer
There are 4 different question,
I answered 3 of those four you, and gave you the hint for A)
is this correct or not
wait i mean
A) How did you get 14???
look at a pair of playing dice, pick up one of them.
How many corners do you see?
Mine has 8
so its 8