Which postulate or theorem proves that these two triangles are congruent? a. asa congruence postulate b. sas congruence postulate c. hl congruence theorem d. aas congruence theorem i think it's either a or d.

A. ASA Congruence Postulate

Step-by-step explanation:

We have marked that ∠BAE and ∠CDE are congruent.  We also have marked that AE and ED are congruent.  

∠AEB and ∠CED are also congruent; this is because they are vertical angles.  Vertical angles are opposite angles that share only a vertex; these are vertical angles and thus are congruent.

This gives us two angles and an included side; this gives us ASA.

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.

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step-by-step explanation:

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