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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)

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[ square root of (4.1) ] is irrational. But [ square root of (4) ] is rational.

The square root of 1.44 is 1.2 which is a rational number

It is rational. The root of a perfect square, such as 4, is rational; the root of any positive integer that is not a perfect square is an irrational number.

The square root of the prime number 19 is an irrational number

The square root of 25 is 5, which is a rational number.

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The square root of 29 is an irrational number.

[ square root of (4.1) ] is irrational. But [ square root of (4) ] is rational.

The square root of 1.44 is 1.2 which is a rational number

The square root of 11 is an irrational number

It is rational.The square root of 9 is 3 and it is a rational number

The square root of 71 is an irrational number

The square root of 47 is an irrational number.

It is rational. The root of a perfect square, such as 4, is rational; the root of any positive integer that is not a perfect square is an irrational number.

the square root of 26 is a irrational number

It is a irrational number. Because the square root of every imperfect square is irrational number.

The square root of 2 is an irrational number

The square root of 32 is an irrational number