
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
In the xy-plane, what is the length of the shortest path from point \(A(0,0)\) to point \(D(18,24)\) that does not go inside the circle centering at \(O(9,12)\) with radius 15?
A) \( 30\pi \)
B) \( 10\pi \)
C) \( 15\pi \)
D) \( 20\pi \)

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