30. In the given figure Δ ABC 11 Δ DEF Area ofΔ1e ABC 121 cm-and ar – InterviewSolution

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30. In the given figure Δ ABC 11 Δ DEF Area ofΔ1e ABC 121 cm-and area of gle DEF-64cm2If the meidan of the Ale ABC is 12.Then find the median of the Ale DEF.cm.

Answer»

ar (ABC)/ar(DEF)=(AB/DE)^2.

That is, 169/121=(26/DE)^2.

26/DE=13/11.

Therefore DE=26/13×11=22

but the ABC=121,DEF=121

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