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Q: Is 72 a square number why or why not?

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no. 72 is not a square number.

72 is rectangular.

82 + 8 = 64 + 8 = 72

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)

No.

No, they are not.

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.

Because the square root of it is an irrational number

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

8

36

It isn't.

36

9

82+8 = 72

No because its square root is an irrational number

64 is the square of 8.

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

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.

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

72/36 = 2

72 + 7 = 56

Yes.

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

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

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