12.
Square of 144 means 144 multiplied by 144. if you mean square root, then 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.
9
6.403124237...
1.1414213562...
14
blueberries
4.2426406
it is 6.7082
3