24cm2
12cm2
10cm2
6cm2
Correct answer is B
tan \hspace{1mm}y = \frac{opp}{adj}=\frac{2}{3}\Rightarrow \frac{2}{3}=\frac{ LN}{MN}=\frac{4}{MN}\\ ∴ MN = \frac{12}{2}=6\\ Area \hspace{1mm}of \hspace{1mm}\Delta LMN = \frac{1}{2}\times MN\times LN=\frac{1}{2}\times 6\times 4=12cm
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