The are √12 and √20.
A rational number is a number that can be written as a fraction of two integers. Examples of rational numbers are \(\frac{1}{2}\), √100.
An irrational number is a number that cannot be written as a fraction of two integers. Examples are \(\frac{22}{7}\), √3
- √9 is a rational number because its square root is 3.
- √16 is a rational number because its square root is 4.
- √12 is an irrational number because its square root is 3.46.
- √20 is an irrational number because its square root is 4.47.
- √25 is an rational number because its square root is 5.
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