A cylinder with a radius of 2.5cm and a height of 10cm contains two identical spherical balls that fit exactly inside it. What is the surface area of each ball? Give your answer correct to one decimal place.
Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
Question: A cylinder with a radius of 2.5cm and a height of 10cm contains two identical spherical balls that fit exactly inside it. What is the surface area of each ball? Give your answer correct to one decimal place.
Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
Question: A cylinder with a radius of 2.5cm and a height of 10cm contains two identical spherical balls that fit exactly inside it. What is the surface area of each ball? Give your answer correct to one decimal place.