Q:

Which postulate or theorem proves △ABC≅△EDC ? SAS Congruence Postulate ASA Congruence Postulate SSS Congruence Postulate HL Congruence Theorem .

Accepted Solution

A:
This is SAS.  Notice you have 2 sides that are equal to each other and the vertical angle between them.  Since the angle is between the 2 sides then the postulate that works is SAS.