Melanie's bedroom walls are painted 45 the area totals in 420 square feet hat is the number of square feet of melanie's walls that need to be painted

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.