As shown at the right, $$\(\triangle A B C\)$$ has area 180 . Two line segments are drawn from $$\(A\)$$ to the trisection points of $$\(\overline{B C}\)$$, and a line segment is drawn from $$\(B\)$$ to the midpoint of $$\(\overline{A C}\)$$. What is the area of the shaded triangular region?

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