Two similar solids have volumes in the ratio 8 : 27. Their surface areas are in the ratio
A2 : 3
B4 : 9
C16 : 81
D8 : 27
Answer & Solution
Correct answer: B. 4 : 9
The length ratio is the cube root of 8/27, which is 2/3, so surface areas are in the ratio 4 : 9.
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