Question 15
In square $ABCD$, points $E$ and $F$ lie on sides $AD$ and $CD$, respectively, with $3DE=3FC=AB$. Segments $BF$ and $CE$ intersect at $G$. If the square has area $180\text{ cm}^2$, what is the area (in $\text{cm}^2$) of quadrilateral $EDFG$?

