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The only 'pie' in mathematics, is the graphical circle. Otherwise 'Pie' is the foodstuff that you eat, e.g., Apple Pie, Meat pie.

However, there is a 'pi' in mathematics; note the spelling.

'pi' in mathematics is the constant of direct proportion between a circle's circumference and its diameter.

'pi' in mathematics is an irrational number, which is 3.141592.... .

An irrational number is one were the decimals go to infinity and there is no regular order in the decimal digits.

In school when learning circle calculations, you are probably given ' pi = 3.14 ' or 'pi = 3.1416 . However these values are only approximations.

The algebraic equation for circles is

C = pid or C = 2pi*r .

Area of a circle is

A = pi *r^(2)

NB 'pi' is the small/lower case Classical Greek letter 'p' , and means 'proportion'.

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lenpollock

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More answers

pi in mathematics is used to determine the circumference of a circle. if you take a piece of string the length of the diameter of the cicle it would go around the circle 3.14159265358978 times (pi).

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Wiki User

13y ago
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Q: What is a pie in mathematics?
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