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02-02-2021
Mathematics

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is [tex]\sqrt{20.25}[/tex] rational or irrational?

Respuesta :

Adetunmbiadekunle Adetunmbiadekunle

07-02-2021

Answer:

Rational

Step-by-step explanation:

Here, we want to check if the given value is rational or irrational

If a certain number is a non -perfect square, and it is placed inside the root, then it is a surd and thus termed irrational

However, the number 20.25 is a perfect square. in fact the square root is 4.5

This mean the expression is not irrational

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