
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
A person starts from point A, walks $3\sqrt{3}km$ in the north-east direction (with an angle of ${60}^{\circ }$) to point B, and then walks 2km eastwards to point C. What is the distance between points A and C?

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