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Working Out Diameter From Circumference. If you know the diameter or radius of a circle, you can work out the circumference. For any circle, if you divide the circumference by the diameter you get pi, an irregular number usually rounded to 3.14.
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The radius, diameter, and circumference of a circle always have the same relationships. Use this free circumference calculator to find the area, circumference and diameter of a circle. How to work out the diameter of the circumference of a circle!
For this example, let's say you're cutting out a decorative strip of paper to wrap around the edge of a.
The word 'perimeter' is also sometimes used, although this usually refers to the distance around polygons, figures made up. To better organize out content, we have unpublished this concept. To begin with, remember that pi is an irrational number written. Use the circumference of a circle to find the radius, diameter, and area.
