The formula for the circumference of a circle is given by C = 2πr, where r is the radius.
For a circle with a radius of 3 feet, the circumference is calculated as follows:
C = 2π(3)
C ≈ 6(3.14)
C ≈ 18.84
Therefore, the circumference of the circle with a radius of 3 feet is approximately 18.84 feet.