
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 diagram shows a square of perimeter 20 cm inscribed inside a square of perimeter 28 cm. What is the area of the shaded triangle?

A) 6 cm²
B) 7 cm²
C) 8 cm²
D) 9 cm²
E) 10 cm²

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