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How would this question be answered 27 cubes each with a side of length r are arranged so as to form a single larger cube with a volume of 81 if the larger cube has a side of length s then r divided?
Wiki User
∙ 11y ago
The question is incomplete, but here goes:
Each small cube has side r
so volume of each small cube is r3
and so volume of 27 small cubes is 27r3
The large cube has side s
so volume of the large cube is s3
The volume of the small cubes must sum to that of the big cube so
s3 = 27r3
So s3/r3 = 27
and so s/r = cuberoot(27) = 3
Wiki User
∙ 11y ago
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