
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
The front view of a certain frustum of a cone is an isosceles trapezoid with the top base and the slant height both being 2, and the bottom base being 4. Calculate the surface area of this frustum.

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