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Questions  >>  Olympiad-Math  >>  Class 9
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Q)

$\Delta ABC\sim \Delta DEF$.If $BC=3$ cm,$EF=4$ cm and ar$(\Delta ABC)=54\; cm^2$,then ar$(\Delta DEF)$=

$\begin{array}{1 1}108\;cm^2\\96\;cm^2\\48\;cm^2\\100\;cm^2\end{array} $

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