The answer is 60 surprisingly
No, it is an imaginary number.
Can't take the square root of a negative number without creating a method termed an imaginary number, which is the square root of -1 which they have used " i " to signify.
Then square root of -11.2 would be written Sqrt(11.2)i. The Sqrt(11.2) = 3.3466
so the answer is 3.3466i
<span>.0833333333 with repeating 3 is (2/24) or (1/12) <- There's you're answer.
<em>(Just put this up here since I answered it in a comment)</em></span>