
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 flowerbed with a diameter of 20 feet is dissected by a straight cobblestone pathway 4 feet wide, which passes exactly through the center of the flowerbed. Calculate the area of the flowerbed that is still plantable.
A) $60\pi$ square feet
B) $58.66\pi$ square feet
C) $55\pi$ square feet
D) $50\pi$ square feet

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