That's the number pi, and yes, it is irrational.
the formula for pi is the ratio of the circumference of a circle to the diameter of the circle
The ratio of the circumference of a circle to its diameter is a constant, irrespective of the actual measurements. This ratio is called pi and is 3.1415...
The ratio of the circumference of a circle to its diameter is Pi. (3.14159)
the value of pi can be derived as the ratio between the circumference and diameter of every circle, say pi = circumference/diameter
Pi is the ratio of the circumference of a circle to its diameter.
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.
There are no degrees in pi, it is a ratio.
Because the ratio of the circumference of any circle to its diameter is pi.
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)
Pi is the ratio of circumference to diameter. C/d=pi always!!!
C = pi x D is the ratio of a circle's circumference to its 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
Pi is caused by the ratio of a circle's circumference to its diameter.
The value of pi in a circle is: circumference/diameter
Pi is the ratio of the circumference of a circle to it's diameter,
Pie is not a ratio