The picture to the right shows a construction of a line through a given point that is parallel to a given line. Which statement justifies why the
constructed line is parallel to the given line?
A
B.
C.
D.
When two lines are each perpendicular to a third line, the lines are
parallel.
When two lines are each parallel to a third line, the lines are
parallel.
When two lines are intersected by a transversal and alternate
interior angles are congruent, the lines are parallel.
When two lines are intersected by a transversal and correspondin
angles are congruent, the lines are parallel.