What is the name of the orange circle that hang from the backboard?

Basketball hoops or rims

Explanation:

Basketball hoops or rims are the goals connected to the backboard. These are painted orange in color. These are used for scoring points in the game. The ball is added to the hoop to seek a goal. A net is attached with the rim through which the ball pass through to make a goal. The breakaway rims are designed to create a hinge and spring that allow the rim to bend when the player dunks the ball without the shattering.  

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