The Transitive property states that;

So, from the question, if a =2+8, b = 4+6 and c =10.

Therefore;

The Correct Answer is Transitive Property
The other properties in the options are;
Reflexive Property which states that any number is equal to itself for example (1=1, 2=2, a=a etc)
Symmetric Property states that if a=b then b=a.
Substitution property states that if a=b then a+c = b+c.
This other properties are incorrect and are not equivalent to the question.