
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 a garden design, a circular flower bed is split by a path, creating a pattern where one segment shapes like a "fan" with a central angle of 90° removed. If the radius of the flower bed is 2 meters, calculate the total edge length visible for this fan-shaped segment.
A) $3\pi + 2$ m
B) $4\pi + 4$ m
C) $3\pi + 4$ m
D) $5\pi + 2$ m
E) $2\pi + 4$ m

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