Answer:
[tex]11[/tex]
Step-by-step explanation:
The number inside the square root symbol is the number you have to get when you multiply a certain number twice.
So [tex]\sqrt{121}[/tex] :
What multiplied by itself is 121?
Backwards equation:
[tex]121 / 11[/tex]
[tex]==> 11[/tex]
Do not do the backwards method all the times, it does not work for all numbers.
