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

Question

asked Dec 10, 2022 216k views

1 Answer

WebMonster · Answer 1 · 2022-12-14T00:06:04+0000

Answer:
$9\pi\ in.$

Explanation:

Given

The diameter of a circle is
$d=9\ in.$

So, the radius is
$r=(d)/(2)=4.5\ in.$

The circumference is given by
$2\pi r$

Insert the values

$\Rightarrow 2\pi \cdot 4.5\\\Rightarrow 9\pi \ in.$

Thus, the circumference of the circle is
$9\pi\ in.$