2. Find the area of the similar triangle

The triangles \(ABC\) and \(LMN\) are similar. If \(AB\) \(=\) 13 \(cm\), \(LM\) \(=\) 18 \(cm\) and \(ar(\triangle LMN)\) \(=\) 648 \(cm^2\), then find \(ar(\triangle ABC)\).

 

Answer:

 

Area of triangle \(ABC =\)  \(cm^2\).