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# Is the square root of 1.44 a rational or irrational?

Updated: 4/28/2022

Wiki User

7y ago

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

Wiki User

7y ago

KEITH McCARRELL

Lvl 2
4y ago

irrational

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Q: Is the square root of 1.44 a rational or irrational?
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### Is root is 144 a rational or irrational number?

The square root of 144 is 12 which is a rational number

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Square root of 1.44 = 1.441/2 = (1.2x1.2)1/2 = 1.2 which is a rational number.

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sqrt(144) = 12. 12 is the ratio of 12 to 1, so it's nice and rational.

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It is irrational, because it is not a perfect square. For example, if you have a number that is perfect like the square root of 100, it would be 10, which is a rational number. An irrational number like 16.4 which would be a not so accurate result like 6.447583839, those are irrational numbers. Hope this helps!

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Yes because the square root of 144 is 12 which is a rational number

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Not irrational, 12 squared equals 144.

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Yes because the square root of 144 is 12

Yes.

Yes.

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### Is the square root of any number an irrational number?

no square root of 9 is 3 which is rational -- to be more specific: an irrational number is a number that cannot be expressed as a fraction. Pi, for example, is one of these numbers. If a number is not a perfect square (4, 16, 9, 144, 225, etc.), then it's square root is likely to be an irrational number. For example, the square root of 2 (1.41421356...) is an irrational number because it cannot accurately be expressed as a fraction.