
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 parallelogram \(EFGH\), angle \( F \) measures \( 120^\circ \). What is the number of degrees in the measure of angle \( H \)? Additionally, if side \( EF \) is \( 10 \) cm, what is the length of side \( GH \)?

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