
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 regular octadecagon (18 sides) is inscribed in a circle with radius $r$ inches. What is the area of the octadecagon, in square inches?
A) \(2r^2\)
B) \(3r^2\)
C) \(3.078r^2\)
D) \(4r^2\)
E) \(5r^2\)

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