The diameter of a circle is 8 inches. What is the circumference of the circle in terms of

�
π?
A
4
�

�
�
.
4π in.

B
8
�

�
�
.
8π in.

C
1
6
�

�
�
.
16π in.

D
6
4
�

�
�
.
64π in.