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October 21, 2014

October 21, 2014

Posted by **Anonymous** on Saturday, October 20, 2012 at 2:38pm.

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 -
**Steve**, Saturday, October 20, 2012 at 3:13pmsince 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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