Answer with explanation:
The given mathematical expression to solve : 
The prime factorization of each term can be written as follows :-


We can see that the greatest common factor of both the terms = 
So we rewrite the given expression as :-

By using distributive property :-
, we have

Answer:
its supposed to be 120 degrees because the angle picture thingy looks like its an obtuse angle and too big to be 60 degrees
Step-by-step explanation:
Sorry... you probably don't need the answer now but It is d...
I don't know who reported the last person but they are correct
12^2 + 6^2 = x^2
144 + 36 = x^2
180 = x^2
13.416407865 = x
rounded
x = 13.4