In order to calculate the volume of a cylinder, we can use the following formula:

Where r is the base radius and h is the height.
If the circumference is 8, we have:

Now, calculating the volume, we have:

So the correct option is the second one.
Y would equal 0. 2x2=4 and 4-4=0.
Answer: (0,12)
Step-by-step explanation: