
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 number of linked rings, each $2$ cm thick, are hanging on a peg. The top ring has an outside diameter of $20$ cm. The outside diameter of each subsequent ring is $0.5$ cm less than that of the ring above it. The bottom ring has an outside diameter of $10$ cm. What is the distance, in cm, from the top of the top ring to the bottom of the bottom ring?
A) 250 cm
B) 260 cm
C) 273 cm
D) 285 cm

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