Rim (basketball)

The rim is a piece of basketball equipment, the circular metal ring holding up the net. It hangs from the backboard. The rim had a diameter of 18 inches.^[1] A slam dunk requires one to jump high enough to get his hand above or over the rim.^[2] Today there are breakaway rims.

Typical professional hoop with backboard

References

1. Norman D. Graubart (15 July 2015). The Science of Basketball. The Rosen Publishing Group. p. 20. ISBN 978-1-4994-1129-4.
2. Martindale, Wight (2005). Inside the Cage. Simon and Schuster. p. 92. ISBN 978-1-4169-0539-4.