# Is pi a Rational or Irrational Number?

## Question: Is pi a rational or irrational number?

Irrational Numbers are those set of numbers that can’t be expressed in the form of p/q where p and q are integers and q ≠ 0.

## Answer: Yes, pi is a an irrational number.

Let's know whether pi a rational or irrational number.

## Explanation:

pi is a Greek letter (π), and one of the most well-known mathematical constants.

Basically it is the ratio of a circle's circumference to its diameter which is always constant.

pi (π) approximately equals to 3.14159265359... and is a non-terminating non-repeating decimal number.

Hence pi is an irrational number.

### Thus, we can say that pi is an irrational number.

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