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the side length of a square with an area of 19 square units is 19 square root. The 19 square roots is an irrational number between 4 and 5 explain why the value is between 4 and 5

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gmany

[tex] \text{We know}\ \sqrt{a}=b\ if\ b^2=a\\\\4 < \sqrt{19} < 5\ \text{because}\\\\4^2 < (\sqrt{19})^2 < 5^2\\\\16 < 19 < 25\to\sqrt{16} < \sqrt{19} < \sqrt{25} [/tex]

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