
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 six congruent equilateral triangles, of side-length 2, placed together to form a parallelogram.
What is the length of \( PR \) ?

A) \( 2 \sqrt{13} \)
B) 7
C) \( 6 \sqrt{3} \)
D) 9
E) \( 7 \sqrt{3} \)

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