define pi pi 3142SolutionPi is the ratio of the circumferenc

define pi

pi =3.142

Solution

Pi is the ratio of the circumference of a circle to its diameter.

For example if the circumference was 22 and the diameter 7, pi would be calculated by 22/7.

It was observed by the ancient Greek mathematecians that this number would always be 3.14, thus you can call it a constant.

The number is also in irrational number. The numbers right of the decimal go on indefinitely and do not repeat themselves.