The ratio of the volumes of the two spheres is 8:27. then what is the .ratio between their surface areas
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Let the radii of two spheres be r1 and r2
Ratio of volumes =8/27
(r1/r2)^3 = (2/3)^3
r1/r2= 2/3-----(1)
Ratio of surface areas = (r1/r2)^2
=(2/3)^2
= 4/9
=4:9
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