43.98

Explanation

The circumference of a circle is given by the formula \(C = 2{\pi}r\) where r is the radius of the circle. The radius of a circle is its diameter divided by two so:

\(r=\frac{d}{2}=\frac{14}{2}=7\)

By definition, \( C = 2{\pi}r \) is approximately 3.14 so:

\(C=2 \pi r=3.14 \times 2 \times 7=3.14 \times 14\)

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