Exactly 8 x pi. Pi is approximately 3.1416.
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The diameter is 8. The circumference is 8 pi. The area is 16 pi.
25.12. Circumference= pi (3.14) multiplied by 8 (diameter.)
The circumference of a circle with a diameter of 8 centimeters is = 8*pi cm
If the circle is 8 feet in diameter, its circumference would be: 25.13 feet (diameter x Pi = circumference)
If 8 feet is the diameter of a circle, the circumference is: about 25.13 feet.