
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 mathematics class, Alex was calculating the sum of the interior angles of a polygon and documented a total of $2997^\circ$. He later realized that one angle was mistakenly omitted from his calculations. What is the degree measure of this missed angle?
A) $53^\circ$  
B) $63^\circ$  
C) $73^\circ$  
D) $83^\circ$  
E) $93^\circ$

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