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The rim is actually about twice the diameter of a regulation Basketball. In the NBA, the official ball is made of leather and has a circumference of 30 inches (76 cm) and a diameter of 9 inches (23 cm).Which also means,the rim's diameter is 18 inches.

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โˆ™ 2008-06-08 03:18:11
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Q: What is the diametre of the rim in basketball?
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