Mathematics, 18.11.2020 03:40 dessy6546

Which of the following theorems cannot be used to prove two lines are parallel? A. If two lines are cut by a transversal so that a pair of alternate exterior angles are congruent, then the lines are parallel.

B. If two lines are cut by a transversal so that a pair of same side interior angles are supplementary, then the lines are parallel.

C. If two lines are cut by a transversal so that a pair of vertical angles are congruent, then the lines are parallel.

D. If two lines are cut by a transversal so that a pair of corresponding angles are congruent, then the lines are parallel.

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Which of the following theorems cannot be used to prove two lines are parallel? A. If two lines are...