What is the missing reason for the 5th step in the proof below?
2
Given: AB || CD
A
3 4
5
6
Prove: 2326
7
8
B
D
1. AB ||CD
2.2327
3.2726
4. m23 = m27
m27 = m26
5. m23=mZ6
6.2326
Statement
1. Given
Reason
2. Corresponding angles theorem
3. Vertical angles are congruent.
4. Definition of congruence
5.
6. Definition of congruence
OA. Corresponding angles theorem.
OB. Substitution
OC. If two lines are parallel, then alternate exterior angles are
congruent.
D. Given statement

What is the missing reason for the 5th step in the proof below 2 Given AB CD A 3 4 5 6 Prove 2326 7 8 B D 1 AB CD 22327 32726 4 m23 m27 m27 m26 5 m23mZ6 62326 class=


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