
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
Juan needs to calculate the area of a circular garden to plan his planting. The actual diameter of the garden is 30 cm, however, Juan's measurement has a maximum error of up to $30\%$. What is the largest possible percent error, in percent, in Juan's computed area of the circle?

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