The formula for calculating the circumference of a circle is given as C = 2πr. The circumference of the circle is C = 28.26 feet
Circumference of a circle
The formula for calculating the circumference of a circle is given as:
C = 2πr
where
r is the radius
Given the following
r = 4.5 feet
Substitute
C = 2π(4.5)
C = 9π feet
C = 9(3.14)
C = 28.26 feet
Hence the circumference of the circle is C = 28.26 feet
Learn more on circumference here: https://brainly.com/question/20489969
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