Draw altitudes from $P$ to $\overline{QR}$ for the following triangle. Also, draw altitudes from the other two vertices. (You can use a set squares if needed)

Draw altitudes from $P$ to $\overline{QR}$ for the following triangle. Also, draw altitudes from the other two vertices. (You can use a set squares if needed)

In $△ABC$, $D$ is the midpoint of $\overline{BC}$.

$\overline{AD}$ is the _____.

In $△ABC$, $D$ is the midpoint of $\overline{BC}$.

$\overline{AE}$ is the _____.