Help! ASAP! The answer choices are:

A- Cai are used an invalid reason to justify the congruence of a pair of sides or angles.

B- Cai only established some of the necessary conditions for a congruence criterion

C- Cai established all necessary conditions, but then used an inappropriate congruence criterion.

D- Cai used a criterion that does not guarantee congruence.

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  A- Cai are used an invalid reason to justify the congruence of a pair of sides or angles.

Step-by-step explanation:

In step 4, Cai referred to the angles as "alternate interior." In fact, they are "corresponding." The reason used to justify congruence of the angles was invalid.

answer;

the correct answer

just use google you beautiful person.

have a nice day < 3