Pi (π) is calculated as the ratio of a circle's circumference to its diameter. Therefore, the two numbers used to calculate pi are the circumference of the circle and its diameter. This relationship holds true for all circles, making pi a constant approximately equal to 3.14159.
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They are: 2*pi*radius or as diameter*pi
Radius is diameter divided by two. Diameter is radius times two or circumference divided by pi. Circumference is diameter times pi. Pi is roughly 3.14
pi is not divided into anything - unless you specify pi/2 or pi/3.6
Pi is endless. Nobody can determine where the end is.
( pi ) x ( 3/pi ) = 3