Pi

Pi

The greek letter π (pi) is a naturally occuring number that is defined by any circle’s circumference divided by its diameter.

Circle

Formulas

Area of Circle Formula

The area of a circle is given by π (pi) times the radius of the circle squared.

Area of Circle Formula
Circumference of Circle Formula

The circumference of a circle is given by two multiplied by pi and the radius.

Circumference of Circle Formula