It is the definition of a perfect square.
For a number to be a perfect square, the number's square root has to be a whole number. 9 is a perfect square because its square root is a whole number, 3. If the square root of the number is a decimal, then it is not a perfect square. For example, 13 does not divide evenly so it not a perfect square.
A perfect square is a rational number equal to the square of a whole number.
Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".Then the number is called a "perfect square".
perfect square
A perfect square is a whole number that can be named as a product of a number with itself.
When the whole number is a perfect square, ie it is a whole number squared.
You take the square root of the number. If it is a perfect square, this will be a whole number. If it is not, it isn't a perfect square.
A perfect square is a square of an integer (a whole number).
No, but a perfect square is usually the square of a whole number.
No, 3.6 is not a perfect square. A perfect square is defined as a number that has a whole number for a square root. In other words, there's no whole number that, when multiplied by itself, equals 3.6.
The correct answer is "perfect square".
Well, technically, it is the square of 11.18033989...but it is not a perfect square(a perfect square is the square of a whole number. 1,4,9,16,25,36,49,64,81,100,121,144,169,196,225,256, etc.)