Question

real numbers square root of a perfect square what number is equal to $sqrt{25}$?

Explanation:

Step1: Recall square - root definition

The square root of a number $x$ is a value $y$ such that $y\times y=x$. For $\sqrt{25}$, we need to find a number $y$ where $y^2 = 25$.
Since $5\times5 = 25$, $\sqrt{25}=5$.

Answer:

5