If you know the answer tell me and explain how you got it. and you.

That would be the first choice, the transitive property of congruence

How did I get it? I just know my properties of relations:

The usually definitions apply to equality; congruence is essentially the same thing.

Reflexive Property: a=a

Symmetric Property: If a=b then b=a

Transitive Property: If a=b and b=c then a=c

When a relation is reflexive, symmetric and transitive it is called an equivalence relation and it divides the elements into equivalence classes.

Distributive Property. There is no distributive property of equality or congruence. The distributive property of multiplication over addition states: a(b+c)=ab+ac.

i can't solve unless i know what the line is

step-by-step explanation:

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