Math and Arithmetic

Why is a perfect square the square of a whole number?

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2017-11-03 10:25:22
2017-11-03 10:25:22

It is the definition of a perfect square.

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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.


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".


A perfect square is a rational number equal to the square of a whole number.


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.


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.)


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.


Take any integer n and square it and you have a perfect square. Then you might want to know if a given number is a perfect square. Take the square root of a number and if it is a whole number, then the number is a perfect square.



A perfect square is a whole number (eg 0,1,2,3,...) multiplied by itself.


Try taking the square root. If you get a whole number, then it is.


A perfect square is a whole number multiplied by itself. For example, the perfect square of 4 is 16.


No. Such a number is referred to as a perfect square. The closest perfect square to 23 is 25, the square root of which is 5.


* Its square root is a whole #. Example: 16 is a perfect square. Its square root is 4. 17 is not a perfect square. Its square root is around 4.123105626



No. Its square root is 50.9, which is not a whole number.


A perfect square is a number whose square root is a whole number, such as 1, 4, 9, 16, 25, etc.


If you have a number like 12 and you multiply it by the same number: 12 and the answer you get is a whole number, then the whole number is the perfect square.



If the whole number is a perfect square, its square root is rational. If not, it's not.



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