If the volumes of two hemispheres are in the ratio 1:27, then determine the ratio of their radii.
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Step-by-step explanation:
volume of hemisphere 1 =2/3πR³
volume of hemisphere 2=2/3πr³
,vol.of hemisphere 1/ vol.of hemisphere2 =1/27
2/3πR³/ 2/3πr³ =1/27
R³/r³. =1/27
R/r. = 1/3
Therefore,ratio of their radii=1:3
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