
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
In parallelogram $ABCD$, $\overline{DE}$ is the altitude to the base $\overline{AB}$, and $\overline{DF}$ is the altitude to the base $\overline{BC}$. If $DC=15$, $EB=3$, and $DE=5$, then find the length of $DF$ and the area of parallelogram $ABCD$.
A) $DF = 5$, Area = $70$ sq units
B) $DF = 5.5$, Area = $75$ sq units
C) $DF = 5$, Area = $75$ sq units
D) $DF = 6$, Area = $80$ sq units

Present the answer in LaTex format: \boxed{Your answer}
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