Maria has already proven the Alternate Interior Angles Theorem. Now, she wants to prove the
Maria's proof is shown below.
$ 2 \angle A G F=\angle G P D $ Alternate interior Angles Theorem
$ 3 \angle G F D=\angle C F E $ Vertical Angles Theorem
$ 4 \angle A G F \cong \angle C F E $ Transitive Property of Congruence
Is Maria's proof correct? If not, why?
Yes. Maria's proof is correct.
No. In Step 2, the reason that $ \angle A G F $ and $ \angle G F D $ are congruent is the Vertical Angles Theorem.
No. In Step 3, Maria should state that $ \angle G F D $ is congruent to $ \angle C F E $ by the Alternate Interior Angles Theorem.

No. Maria did not prove the Corresponding Angles Theorem because $ \angle A G F $ and $ \angle C F E $ are alternate exterior angles.

Question

Maria has already proven the Alternate Interior Angles Theorem. Now, she wants to prove the
Maria's proof is shown below.
$ 2 \angle A G F=\angle G P D $ Alternate interior Angles Theorem
$ 3 \angle G F D=\angle C F E $ Vertical Angles Theorem
$ 4 \angle A G F \cong \angle C F E $ Transitive Property of Congruence
Is Maria's proof correct? If not, why?
Yes. Maria's proof is correct.
No. In Step 2, the reason that $ \angle A G F $ and $ \angle G F D $ are congruent is the Vertical Angles Theorem.
No. In Step 3, Maria should state that $ \angle G F D $ is congruent to $ \angle C F E $ by the Alternate Interior Angles Theorem.

No. Maria did not prove the Corresponding Angles Theorem because $ \angle A G F $ and $ \angle C F E $ are alternate exterior angles.

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Solution

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