Question

question
the radius of a circle is 8 in. find its circumference in terms of π.
answer attempt 2 out of 2
c =
in

Explanation:

Step1: Recall circumference formula

$C = 2\pi r$

Step2: Substitute $r=8$ into formula

$C = 2\pi \times 8 = 16\pi$

Answer:

$16\pi$ in