Answered

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A solid rectangular block is formed by gluing together N congruent 1-cm cubes face to face. When the block is viewed so that three of its faces are visible, exactly 231 of the 1-cm cubes cannot be seen. Find the smallest possible value of N.

Sagot :

Answer:

462

Explanation:

231 cubes= half of N (because only 3 of the faces are visible, there are 6 faces altogether)

N=462

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