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Q: What is pi a ratio of?

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Pi is a unitless number, not a distance. Pi is a ratio it has no dimensions. Pi is the ratio of the circumference of a circle to its diameter.

It is the ratio of the circumference of a circle to it's diameter. (C/D=pi)

PI is the ratio of the circumference of a circle to the diameter of a circle. The ratio is the same for any size circle. We call that ratio PI. The approximate value of PI is 3.14159265.....

There are no degrees in pi, it is a ratio.

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The ratio of the circumference of a circle to its radius is 2 pi, or 2 times pi. Pi is approximately 3.14.

There is no direct ratio. The area is related to the square of the radius by the factor "pi." A = (pi) r2 (Pi is about 3.1416)

Because the ratio of the circumference of any circle to its diameter is pi.

Pi is a natural constant of the ratio circumference divided by diameter. That ratio cannot have any unit.

Pi is the ratio of circumference to diameter. C/d=pi always!!!

pi

Pie is not a ratio

Pi is caused by the ratio of a circle's circumference to its diameter.

Pi is the ratio of the circumference of a circle to it's diameter,

The value of pi in a circle is: circumference/diameter

In a circle Pi it the ratio of the circumference to the diameter. That is to say, if C is the cirumference and D is the diamter of any circle, we have: Pi=C/D

The ratio is 1/pi.

Pi is an irrational number, which means by definition that it cannot be represented as the ratio of two integers. Geometrically, pi represents, among other things, the ratio between the circumference and the diameter of a circle.

The ratio is pi, a transcendental number, which is a subset of irrational numbers. pi is approximately equal to 3.14159

That's the number pi, and yes, it is irrational.

The ratio appears to be: 1 to 8

the formula for pi is the ratio of the circumference of a circle to the diameter of the circle

Geometric calculations; pi is the ratio of the circumference to the diameter of a circle.

It is 100*pi : 1 or approx 314.159:1

In any circle, the ratio of circumference to diameter is (pi).