# How to Know if a Number is a Perfect Square?

## Question: How to know if a number is a perfect square?

A square number or perfect square is an integer that is the square of an integer or a whole number

## Answer: A number is a perfect square if it is obtained by squaring a whole number or an integer

Let's look into an example

## Explanation:

If N is a perfect square of a whole number X, then N = X^{2}

Here, the number X is called the square root of the perfect square N

Example: 9 is a square of 3 represented as 3^{2}

Thus, 9 is known as a perfect square

### Thus, a number is a perfect square if it is obtained by squaring a whole number or an integer

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