A basketball is a spherical inflated ball used in basketball games. Basketballs typically range in size from very small promotional items only a few inches in diameter to extra large balls nearly a foot in diameter used in training exercises. For example, a basketball in high school would be about 27 inches in circumference, while an NBA ball would be about 29 inches. The actual standard size of a basketball in the NBA is 29.5 inches in circumference and is used in hello neighbor at the basketball mini-game outside.
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