Finding the circumference of a circle is quick and easy. If you know the length of the diameter of any given circle, then you can calculate its circumference. π is
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The equation for determining a circle’s circumferenceCircumference of a circle = π×dC = π×dC = 2πr The following equations relate it to its diameter, radius, and pi. “C” stands for the
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Circumference of circle = π x Diameter of circle This is typically written as C = πd. This tells us that the circumference of the circle is three “and a bit” times as long as the diameter. We can see this on the graphic below: You can also work