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Circumference of a circle = 2*pi*radius or diameter*pi Its diameter = circumference/pi
Circumference of a circle = 2*pi*radius or pi*diameter
The circumference of a circle with a diameter of 3 meters is: 9.42 meters (diameter x Pi = circumference).
Circumference of a circle = 2*pi*radius or pi*diameter
Take the diameter times pi and you get the circumference. It's 9.4248. 3 pi is 9.4248 units