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Because the square root of it is an irrational number

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Q: How do you determine that 72 isn't a square number?
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How do you determine that 72 is not a square number?

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.

Is 72 a square number?

no. 72 is not a square number.

Is the number 72 a square number rectangular number or triangular number?

72 is rectangular.

Is 72 a square number why or why not?

a square number is with two products the same i.e. if multiply a number by itself you get a square number. e.g. 8 * 8 = 64, 9 * 9 = 81, 10 * 10 = 100 So 72 is not a square number.

Is the square root of 72 a rational or irrational number?

The square root of 72 is an irrational number. Since 72 is not a perfect square, the decimal is endless. (just like the value of pi)

The sum of the number and its square is 72 what is the number?

82 + 8 = 64 + 8 = 72

What is the closest square number to 50?

49 is 72 and is the closest square number to 50.

The number 49 has two square roots what are they?

The two square roots of any positive number are the positive square root and the negative square root. The positive square root of 49 is 7, because 72=49, while the negative square root is -7, because -72=49.

What is the next square number after 49?

49 equals 72, and the next square number is 82 = 64.

Is the square root of 72 a rational number?


Is the square root 72 a rational number?

No, they are not.

Find a positive number that equals to 72 when added to its square?

82+8 = 72

What is the greatest square number that is a factor of 72 and a whole number?


If a number is subtracted from its square the result is 72 Find the number?


Is 72 an integer is a perfect square?

No because its square root is an irrational number

Which is a square number 64 72 83 91?

64 is the square of 8.

What is the greatest square of a number that divides into 72 evenly with a remainder of 0?

72/36 = 2

What is the number that is increased by its square with a result of 72?


How is the square root of 72 a rational number?

It isn't.

What is the two factors of 72 to determine that the number is composite?

8 and 9

Is 53 square number?

No. The closest square numbers are 72 = 49 and 82 = 64.

What is the square root of -72?

you cant have a square root of a negative number that is a math impossibility

Explain how to square the number 7?

To square a number you multiply it by itself. 7 x 7 = 49. or, 72 = 49.

Is 72 square?

82 = 8 x 8 = 64 92 = 9 x 9 = 81 Since 72 is in between these answers 72 is not square. (The square root of 72 = 8.485281374...) There is no whole number which when multiplied by itself gives an answer of 72.

Is 52 a square number?

No it is not. A Square number is one that can be expressed as the product of the same number twice. Ex: 49 is a square number 7 * 7 or 72