The radius of the figure is $ 8 \mathrm{~cm}$. Find the perimeter of the figure shown, correct to two decimal places.
Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: The radius of the figure is $ 8 \mathrm{~cm}$. Find the perimeter of the figure shown, correct to two decimal places.
Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: The radius of the figure is $ 8 \mathrm{~cm}$. Find the perimeter of the figure shown, correct to two decimal places.