The fact that alternate interior angles MNR and QMN are congruent to each
other and vertical angles SNL and MNR are congruent to each other would help Kari prove that the measure of
angle QMN is equal to the measure of angle SNL. I am hoping that
this answer has satisfied your query and it will be able to help you in your
endeavor, and if you would like, feel free to ask another question.
