Question

Danny draws a transversal, t, on two parallel lines AB and CD, as shown below.


He makes the following table to prove that the alternate interior angles are equal.

Answer 1

Which is the missing justification?
Co-interior angles formed by a transversal on parallel lines are congruent.
Co-exterior angles formed by a transversal on parallel lines are congruent.
Corresponding angles formed by a transversal on parallel lines are congruent.
Corresponding angles formed by a transversal on parallel lines are supplementary.

Answer 2

what's the relationship between 2 & 6?

Answer 3

corresponding?

Answer 4

yes...

and are they congruent or supplementary?

Answer 5

congruent?

Answer 6

\[\Huge \star\]

Answer 7

...so c?

Answer 8

yes

Answer 9

thank you(: