What is the reason for the third step in this proof? Given: a || b, and both lines are cut by transversal t. Prove: 2= 7

1. a || b given
   
2. 2 3 Vertical Angles Theorem
   
3. 3 6
   
4. 2 6 Transitive Property of Congruence
   
5. 6 7 Vertical Angles Theorem
   
6. 2 7 Transitive Property of Congruence
   
   

Answers:


Transitive Property of Equality

AAlternate Interior Angles Theorem

BCorresponding Angles Theorem

CSame-Side Interior Angles Theorem

DVertical Angles Theorem