square root(12) = 3.46410162
12.
In some countries it is still called a dozen, but others call it 12
root of 676 = 26
there is no square root of 11.
Square of 144 means 144 multiplied by 144. if you mean square root, then 12
9
1.1414213562...
14
3
6.403124237...
23
279.96