What's the circumference of a circle with a diameter of 9 inches?

Question

asked Mar 23, 2021 15.0k views

1 Answer

Zhianc · Answer 1 · 2021-03-29T14:14:51+0000

Answer:

9pi

Explanation:

circumference= 2 (pi) (r)

radius = diameter \ 2

r = 9 \ 2 = 4.5in.

c = 2 (pi) (4.5)

c = 9pi or 28.3in.

Hope this helps!