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geometry

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01:34:47
The volumes of two spheres are 729 in3 and 27 in3.
What is the ratio of their radii, rounded to the nearest whole number?

  • geometry -

    since 729 = 9^3 and 27 = 3^3, their volumes are in the ratio of (9/3)^3, so their radii are in the ratio of 3/1.

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