The diameter of a circle is 4/π. Find the circumference of the circle. Choose the correct answer.
A) 8 B) 4 π C) 4 D) 6 E) 5
circumference = 2*pi*r= 2*pi*4/pi   =&gt; 8   8
<result>A</result>
The diameter of a circle is 4/π. Find the circumference of the circle.