The circumference of a circle is calculated using the formula C = πd, where C is the circumference, π is the mathematical constant pi (approximately 3.14159), and d is the diameter of the circle. In this case, the diameter is 4 meters, so the circumference would be C = π(4) = 4π meters. This simplifies to approximately 12.57 meters.
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The circumference of a circle with a diameter of 25 is: 78.54
If the diameter of a circle is 9 the circumference is: 28.3
If a circle has a diameter of 2.25, the circumference is: 7.069
The circumference of a circle with a diameter of 51m is: 160m
If a circle has a diameter of 5 the circumference is: 31.4