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the volumes of two spheres are 729 in3 and 27 in3. what is the ratio of their radii, rounded to the nearest whole number?
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Oct 17, 2015
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the volumes of two spheres are 729 in3 and 27 in3. what is the ratio of their radii, rounded to the nearest whole number?
Mathematics
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Samuel Neugber
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The volumes of spheres are proportional to R³. So their 'R's
are proportional to ∛their volumes.
(729/ 27) = 27
∛27 =
exactly 3
. No rounding required.
JMHeap
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Oct 23, 2015
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JMHeap
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