Question

What's the circumference of a
circle with a diameter of 9 inches?
Use 3.14 for n.

Answer 1

Answer:

28.26 in

Step-by-step explanation:

Radius = (1/2) diameter

Radius = (1/2)(9)

Radius = 4.5 in

Circumference = 2πr

Circumference = 2(3.14)(4.5)

Circumference = 28.26 in