
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
Susan wants to fence a square piece of land with a minimum area of 900 square feet. Inside this land, she also plans to fit a circular garden that should cover at least 100 square feet. What should be the minimum length of the side of the square to use the least amount of fencing?

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