A cube, 4cm by 4cm by 4cm is painted and then cut into 1cm by 1cm by 1 cm smaller cubes. How many of these smaller cubes are painted on 3 faces?
1 Answer
Aug 14, 2017
Eight.
Explanation:
It is only the corner cubes that will have paint on three faces as can be seen from this diagram.
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Hence, the total number of smaller cubes painted on three faces is equal to the number of corners in a cube, which is eight .
