Answer:
[tex]2[/tex]
Step-by-step explanation:
To find square root, you have to find out what number times itself will create the square root value:
[tex]\sqrt{4}[/tex] means that there has to be a number that times itself to get 4.
2*2=4
Meaning that 2 is the perfect choice for this question.
[tex]\sqrt{4}[/tex] = 2