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What is the ratio of a circle's circumference called?
The ratio of a circle's circumference to its area is called the reciprocal of half the radius. The ratio of the circumference to its radius is called two times pi.
Example of a ratio?
If you had a bag of marbles, and there were two colours - red and green - and the ratio of the coloured marbles is two times the amount of green marbles to red marbles, you would have a ratio of 2:1
The ratio of the circumference of a circle to its diameter roughly equal to 3.141592?
Circumference (C) = diameter (D) times pi (3.141592) is the ratio of the circumference of a circle to its diameter.
What is circumference in terms of pi?
As pi is the ratio of the ratio of the circumference (C) of any circle to its diameter (d), the circumference of a circle in terms of pi is: C = pi x d The circumference of a circle is pi times its diameter or 2 pi times its radius (since a diameter is 2 times the radius).
What is the ratio of the circumference to the diameter for any circle?
The circumference of a circle is 3.14... times its diameter.circumference = diameter X pi
