Circumference = 2 * Pi * radius Radius = 23 / (2 * Pi) Radius = 3.66 inches
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The radius is 5.41 inches.
Circumference of the circle: 2*23*pi = 46*pi inches
Circumference of a circle: 2*pi*radius or diameter*pi
The answer depends on whether the 23 inch refers to its radius or diameter.
72.2