Definition of «pi»

The mathematical constant pi (π) is a ratio of the circumference to the diameter of any circle. It has an approximate value of 3.14, but it goes on infinitely without repeating in its decimal representation. Pi plays a crucial role in geometry and trigonometry, as well as many other branches of mathematics and science.

Usage examples

Calculating the circumference of a circle: The formula is 2πr, where π represents the mathematical constant pi.
Estimating the value of π: The approximation 3.14 is commonly used in calculations involving pi.
Finding the area of a circle: The formula is πr², where π denotes pi and r is the radius of the circle.

Phrases with «pi»

Sentences with «pi»

But be honest: Doesn't Life of Pi sort of make you wish you knew about MoviePass five years ago? (theringer.com)
It's like the Raspberry Pi of cell phones. (treehugger.com)
Wilshere and Giroud did not play today so you have to blame Wenger for pi $ $ poor form Mertesacker is in. (justarsenal.com)
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Definition of «pi»

Usage examples

Phrases with «pi»

Sentences with «pi»

See also