ANSWER
EXPLANATION
The circumference of a circle is calculated using the formula:
[tex]C=2\pi \: r[/tex]
From the question, the radius of the circle is 10 inches.
We substitute the radius into the formula to get:
[tex]C=2\pi \times 10[/tex]
Let us multiply out to get:
[tex]C=20 \pi \: in[/tex]
The question required that we leave the answer in terms of π.
The correct choice is C.
