Diameter is the distance across a circle through the center. Circumference is the distance around the outside of a circle. Circumference is always pi (3.14) times larger than diameter.
Note:
pi is approximately 3.14
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A diameter is a straight line from one side of a circle, through the centre, to the other side. A circumference is the curved line forming the boundary of a circle.
Either.... Halve the diameter; or Divide the circumference by 2pi; or Calculate the difference between the location fo the centre and the location of a point on the circumference.
What is the relationship between the circumference and the diameter? Answer The circumference divided by pi gives the diameter. d = C / pi An alternate way to express the above answer. For all circles, pi is the ratio of the circumference to the diameter pi = C / d
ratio between diameter and circumference
The circumference of 1.5 diameter is: 4.712