Question 24
In parallelogram $ABCD,$ $\overline{DE}$ is the altitude to the base $\overline{AB}$ and $\overline{DF}$ is the altitude to the base $\overline{BC}.$ (Both pictures represent the same parallelogram.) If $DC = 12,$ $EB = 4,$ and $DE = 6,$ then $DF =$
