
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 series of linked rings, each $2$ cm thick, are hanging on a peg. The top ring has an outside diameter of $30$ cm. Each descending ring has an outside diameter that is $2$ cm less than the ring immediately above it. The smallest ring has an outside diameter of $10$ cm. Find the distance, in cm, from the top of the top ring to the bottom of the bottom ring.
A) 150 cm
B) 168 cm
C) 176 cm
D) 190 cm
E) 200 cm

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