Respuesta :

Answer:

Step-by-step explanation:

For the first one here is the answer:

Given.

Transitive property of equality- this is becasue the rule is if A=b and B=c then A=c. IN this situation its saying that a is parrelel to b and b is parralel to c therfore a is parrelel to c.

line A and d cross over at 90 degree angles making them perpendicular. -There should be a rule for this and if there is then write that rule down

Second answer:

Given.

Definition of a  supplementary angle.

Definition of a supplementary angle

Definition of supplementary angles.

Alternate Exterior Angles Theorem

C=D

-Srry for the definiton of supplementary angles thing but thats the best answer for those.

Hope i helped