The radii of two spheres are in the ratio 2 : 3, then the ratio of their surface areas is ……… A) 3 : 2 B) 27 : 8 C) 8 : 27
The radii of two spheres are in the ratio 2 : 3, then the ratio of their surface areas is ………
A) 3 : 2
B) 27 : 8
C) 8 : 27
D) 4 : 9
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