A basketball hoop is 18" in diameter and the formula for circumference is pi x 18" (3.1415 x 18"=56.54866")
18/pi units = 5.73 units
A Basketball goal, or hoop, is about 56½ inches in circumference (56.55 inches). The rim is 18 inches in central diameter, and the top of the rim should be exactly 10 feet off the ground.
The size of a high school basketball hoop is 18 inches across on the inside. The hoop or ring as it is called is made from 5/8 inch high tensile steel. The entire assembly, which includes a safety feature, in mounted so the top of the ring is 10 feet above the playing surface below.
18 inches
The hoop is 18 inches / 457.2 mm in diameter.
The circumference of a circle that has a diameter of 18 inches is about 56.55 inches. (C = d x Pi).
The circumference of a circle of 18 inches in diameter is about 56.55 inches.
A circle with a radius of 18 inches has a circumference of 113.097 inches.
Circumference = 2*pi*18 = 113.097 inches to 3 decimal places
The hoop is 18 inches in diameter.
The circumference of a circle with a diameter of 18 inches is 56.5 inches.