
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
Katie has 240 feet of fencing. She plans to enclose a rectangular area where the area is twelve times the perimeter. What is the length of the longest side of the enclosure if all the fencing is used?

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