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anonymous
 one year ago
What is the missing reason in step 3 of the proof?
Alternate Interior Angles Theorem
Corresponding angles in congruent triangles are congruent.
For parallel lines cut by a transversal, corresponding angles are congruent.
Vertical Angles Theorem
SAS criterion for congruence
http://contentlaunch.ple.platoweb.com/testimagedb/23/2343773edefcb8ec2a4928b37f6cf7b9
anonymous
 one year ago
What is the missing reason in step 3 of the proof? Alternate Interior Angles Theorem Corresponding angles in congruent triangles are congruent. For parallel lines cut by a transversal, corresponding angles are congruent. Vertical Angles Theorem SAS criterion for congruence http://contentlaunch.ple.platoweb.com/testimagedb/23/2343773edefcb8ec2a4928b37f6cf7b9

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