I need help on this.

For the first one after "by the" the options are...
- side-side interior angles theorem
- same-side interior angles theorem
- vertical angles theorem
- corresponding angles postulate
- alternate interior angles theorem

For the second one after "by the" the options are the same options for the first one.

I need help on this For the first one after by the the options are sideside interior angles theorem sameside interior angles theorem vertical angles theorem cor class=