Find the Circumference of a circle with a Diameter of 9 inches Group of answer choices 9 pi inches 9 pi inches^2 9 pi inches^3 108 pi inches

Step-by-step explanation:

Given

The diameter of a circle is

So, the radius is

The circumference is given by

Insert the values

Thus, the circumference of the circle is  

first one is a: renaming a fraction. second one is c: de-c

step-by-step explanation:

my explanation is that these were the answers on edg : )