Definition, Meaning & Synonyms
pi
noun
/paɪ/
Definition
Pi is a mathematical constant representing the ratio of a circle’s circumference to its diameter.
Examples
- To find the area of a circle, multiply pi by the square of the radius.
- The value of pi is approximately 3.14, but it extends infinitely without repeating.
Meaning
In mathematics, pi is used to calculate circular measurements and is vital in various mathematical formulas.
Synonyms
- circumference ratio
- circle constant
