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The circumference of a circle can be found using the formula C = 2Ï€r, where C represents the circumference and r represents the radius.
In this case, the radius is given as 2.5 feet.
Using the approximation of π as 3.14, we can plug in the values to find the circumference:
C = 2 * 3.14 * 2.5
C ≈ 15.7 feet
Therefore, the estimated circumference of a circle with a radius of 2.5 feet is approximately 15.7 feet.