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Because the circumference of a circle = pi*diameter and pi*1 = pi

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12y ago
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Q: How can we prove that when a circle's diameter is 1 its circumference is pi?
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Related questions

What is the answer to circles and circumference?

circumference = 2*pi*radius or pi*diameter


How is pi used to find circumference of circles?

Pi times the diameter of a circle gives its circumference.


What is the circles diameter if the circumference is 12.56?

diameter = 12.56/pi


What is the ratio to any circles circumference to the diameter?

The ratio of the circumference of a circle to its diameter is Pi. (3.14159)


How is pi used to find the circumference of circles?

Circumference of any circle = 2*pi*radius or pi*diameter


How do you calculate circumference?

to calculate circumference you find a circles radius or diameter. you do diameter times pi or radius times 2 times pi. the you have circumference!


What is the retationship between the circumference and the diameter?

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


How do you do cercomference?

In circles the circumference is 3.14 (pi) times the Diameter.


What is the circles diameter if the circumference is 62.8?

diameter = circumference divided by pi = 62.8/3.14 = 20


What is the method for finding pi?

Circumference of a circle = (pi) x diameter of the circle therefore,pi = Circumference/diameter or plot a graph of circumference against diameter using many circles and the slope of the line on the graph would be equal to pi.


What is the circles diameter if the circumference is 31.4?

It is: diameter = 31.4/pi which is about 10 units


Is the ratio of the circumference to the diameter is constant for any circles?

Yes, pi.