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Mathematics 9 Online
OpenStudy (anonymous):

What is the similarity ratio of two cubes with volumes of 8 cubic inches and 27 cubic inches?

Directrix (directrix):

2/3 or 2:3

Directrix (directrix):

For similar solids, the cube of the scale factor is the ration of the volumes. Conversely, the cube root of the volumes is the scale factor. The cube root of 8/27 is 2/3.

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