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DeltaLMN ~ DeltaRST and A(DeltaLMN) = 10...

`DeltaLMN ~ DeltaRST and A(DeltaLMN)` = 100sq. Cm,
`A(DeltaRST)` = 144sq cm , LM = 5cm. Find RS.

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The correct Answer is:
6 cm
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