Tonya and Pearl each completed a separate proof to show that alternate interior angles AKL and FLK are congruent. Who
completed the proof incorrectly? Explain.
Tonya's Proof
Statement
1. ABIEF with transversal GJ 1. Given
2. ZAKL ZGKB
3. ZGKB ZFLK
4. ZAKL ZFLK
Pearl's Proof
Statement
Justification
2. Vertical Angles Theorem
3. Corresponding Angles Theorem
4. Transitive Property
1. AB EF with transversal GJ 1. Given
2. ZAKL ZGKB
3. ZGKB ZFLK
4. ZAKL ZFLK
Justification
2. Definition of Adjacent Angles
3. Corresponding Angles Theorem
4. Transitive Property