
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
Two boards, one five inches wide and the other seven inches wide, are nailed together to form an X with an angle of 45 degrees at their crossing. Calculate the area of the unpainted region on the five-inch wide board after they are separated.

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