
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 circular piece of metal of maximum size is cut out of a rectangular piece of specific dimensions, followed by clipping out the largest rectangle possible that can be inscribed in the circular piece. If a rectangular metal sheet measures 20 units by 10 units, determine the total amount of metal wasted.
**A)** 150 square units
**B)** 160 square units
**C)** 170 square units
**D)** 180 square units

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