3 years ago

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

1 answer:

8 0

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

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