Circumference of circle in cm: 2 times pi
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Circumference: 2*pi = 6.283 cm to 3 decimal places
Circumference of a circle: 2*pi*radius or diameter*pi
The radius of a circle is half of its diameter. If the diameter of the circle is 150 cm, then the radius would be half of that, which is 75 cm. The radius is the distance from the center of the circle to any point on its circumference.
circumference formula is pi(diameter) diameter is 2(radius) radis=4; diameter=2(4)=8 pi(8)=circumference of the circle...this is the EXACT answer plug it into a calculator and you will get 25.1327412287 your welcome ;)
The diameter of circle with circumference of 6.28 is: 2 (1.999).