Since D is the midpoint of AC and E is the midpoint of AB, we can use the midpoint formula to find their coordinates. The midpoint formula is $\left(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}\right)$.
For D, we have $x_1=-6$, $y_1=11$, $x_2=-2$, and $y_2=-5$. So, the
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