Answer please and explain

C=84

Step-by-step explanation:

Since you use 3 for pi. You plug the radius into the formula. C=2×3x14=84

In the picture, the radius is 14, this stands for r in the equation givin. Also pie is equivalent to 3. You then plug in the numbers into the equation. You can see this in the work I gave. You then times all of the numbers together it get your final answer or 84

The answer is 2(c+1)

By the way, the 2 is a squared number