Question

What is the circumference of a basketball hoop rim that is 9 inches in diameter?

A. 254.34 inches
B. 28.26 inches
C. 15.69 inches
D. 56.52 inches

Answer 1

Answer: 28.29 inches

Explanation:

Circumference = 2πr

= 2 * π *4.5

= 28.29 inches

Answer 2

b. 28.26

Explanation:

Given diameter (D) = 9

Radius =

D/2 = 4.5

Circumference = πD

= 9π

= 28.274333882308

you would round to the nearest hundreth and it would be

28.26