
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 frame for three square photographs has the same width everywhere. The perimeter of one opening is 60 cm, and the perimeter of the entire frame is 180 cm. What is the width of the frame?

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