22 = 4
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Yes, square of 2 is a real number. Real numbers fall into 2 categories, Rational and Irrational. Square of 2 is an irrational number.
That term is not commonly used. A perfect square is simply the square of an integer. For example, 25 is the square of 5. Any positive number is the square of some number, but that number is usually irrational. For example, 2 is the square of the square root of 2 - approximately 1.4142136.That term is not commonly used. A perfect square is simply the square of an integer. For example, 25 is the square of 5. Any positive number is the square of some number, but that number is usually irrational. For example, 2 is the square of the square root of 2 - approximately 1.4142136.That term is not commonly used. A perfect square is simply the square of an integer. For example, 25 is the square of 5. Any positive number is the square of some number, but that number is usually irrational. For example, 2 is the square of the square root of 2 - approximately 1.4142136.That term is not commonly used. A perfect square is simply the square of an integer. For example, 25 is the square of 5. Any positive number is the square of some number, but that number is usually irrational. For example, 2 is the square of the square root of 2 - approximately 1.4142136.
Yes, the square root of 2 is an irrational number.
Yes. The square root is 2.
To check if your number is a square number, draw little dots. like, for 4 it will 2 dots by 2 dots. if this doesn't work equally, it is not a square number.