
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
Given a rectangle \( R_1 \) with one side 3 inches and area 21 square inches. Rectangle \( R_2 \) with diagonal 20 inches is similar to \( R_1 \). Find the area of \( R_2 \) expressed in square inches.
**A)** \( \frac{4050}{29} \)  
**B)** \( \frac{60900}{841} \)  
**C)** \( \frac{1800}{29} \)  
**D)** \( \frac{60900}{841} \cdot 2 \)

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