For a cylinder with a known bottom area of 12.56 square meters, what is the perimeter of the bottom? What is the radius? Fill in the blanks

For a cylinder with a known bottom area of 12.56 square meters, what is the perimeter of the bottom? What is the radius? Fill in the blanks

The radius is 2 and the circumference is 12.56
πR^2=12.56
So r = 2
SO 2 π r = 12.56