A) \[9:4\]
B) \[3:4\]
C) \[9:2\]
D) \[9:16\]
Correct Answer: A
Solution :
[a] Ratio of areas \[=\frac{\pi {{(6)}^{2}}}{\pi {{(4)}^{2}}}=\frac{9}{4}=9:4\]
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