
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 grass plot has a diameter of 20 feet, and a straight gravel path 4 feet wide touches the plot tangentially at one point on its perimeter. Find the area of the remaining grass, using the area of the circle with radius 10 feet and the area of the region that is covered by the path.

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