
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 stack of linked rings, each decreasing in thickness, are hanging on a peg. The top ring has an outside diameter of 30 cm and a thickness of 2 cm. Each subsequent ring's outside diameter is 2 cm less than the ring above it, and its thickness is 0.1 cm less than the thickness of the ring above. The bottom ring has an outside diameter of 10 cm. Determine the distance in cm from the top of the top ring to the bottom of the bottom ring.
A) 134 cm
B) 149 cm
C) 117 cm
D) 111 cm

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