त्रिभुज \( A B C \sim \triangle D E F \) यदि \( B C=3 \) सेमी, \( E F=4 \) सेमी. तथा \( \operato...
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त्रिभुज \( A B C \sim \triangle D E F \) यदि \( B C=3 \) सेमी, \( E F=4 \) सेमी. तथा \( \operatorname{ar}(\triangle A B C)=54 \) सेमी \( ^{2} \), तो \( \operatorname{ar}(\triangle D E F)= \)
(A) 108 सेमी. \( ^{2} \)
(B) 96 सेमी. \( { }^{2} \)
(C) 48 सेमी. \( { }^{2} \)
(D) 100 सेमी. \( ^{2} \)
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