A line LM is drawn parallel to the base ...

A line LM is drawn parallel to the base BC of `/_\ ABC` which meets side side AB and AC at L and M respectively. If `AB=12 cm`,`AL=4 cm` and` AC= 18 cm`, find (Area of `/_\ALM`)/(Area of `/_\ ABC`).

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The correct Answer is:

`1/8`

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