PLSS HELP, WILL GIVE OUT BRAINLIEST ANSWER
Shivani was hoping to practice for her game but discovered that her basketball needed air. When fully inflated, the basketball’s diameter is 10 inches. If there are approximately 261 cubic inches of air in the basketball, which of the following statements is true?

1/2 of the basketball is filled with air.
1/4 of the basketball is filled with air.
4/3 of the basketball is filled with air.
3/5 of the basketball is filled with air.