25.12
circumference = pi x diamater
let pi = 3.14
c=3.14 x 8
c=25.12
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A simple formula to calculate the circumference of a circle: so in this case:
The circumference of a circle with a diameter of 8 centimeters is = 8*pi cm
If 8 feet is the diameter of a circle, the circumference is: about 25.13 feet.
The circumference of a circle 8 feet in diameter is about 25.13 feet.
If the circle is 8 feet in diameter, its circumference would be: 25.13 feet (diameter x Pi = circumference)