Respuesta :

its 9 but you have to find out what number times itself will you get you 81 which is 9 x 9
Cortes33
The [tex] \sqrt{81} = 9[/tex]

To find the value of a square root, you must find the number that it multiplies it self and equals the number inside the square root;

[tex] \sqrt{81} [/tex]

9 × 9 = 81

so 9 is the square root of 81