
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
A city's area consists of 5 congruent squares arranged in such a way that the city's layout forms an isosceles cross shape. The stone wall surrounding the city is as long in kilometers as the area of the city is in square kilometers. How long is the stone wall?

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