Ex² - 7x² - 10x+16=0​

Which geometric principle is used to justify the construction below?

Which lines are parallel? justify your answer. lines p and q are parallel because same side interior angles are congruent. lines p and q are parallel because alternate exterior angles are congruent lines l and m are parallel because same side interior angles are supplementary lines l and m are parallel because alternate interior angles are supplementary.

Order 1100000, 314000, 965000, 1890000, from least to greatest.