If lines m and n are parallel, which of these is true?(A)1 and 2 are supplementary angles(B)1 and 6 are corresponding angles(C)3 and 5 are alternate interior angles(D)4 and 6 are consecutive interior angles(E)5 and 8 are congruent angles(F)6 and 7 are supplementary angles(G)1 and 7 are alternate exterior angles
